Home / 3,742,718.47-5,164,945.36-2,111,120.76

Finding the Fourth Proportional to 3,742,718.47, 5,164,945.36 and 2,111,120.76

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Solution

The fourth proportional to 3,742,718.47, 5,164,945.36 and 2,111,120.76 is: 2,913,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,718.47 : 5,164,945.36 = 2,111,120.76 : x
  2. Step 2: Convert to fraction form
    3,742,718.47/5,164,945.36 = 2,111,120.76/x
  3. Step 3: Cross multiply
    3,742,718.47x = 5,164,945.36 × 2,111,120.76
  4. Step 4: Simplify right side
    3,742,718.47x = 10,903,823,373,761.67
  5. Step 5: Solve for x
    x = 10,903,823,373,761.67/3,742,718.47
  6. Step 6: Final answer
    x = 2,913,343.19

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Double scale
Find fourth proportional to 3,742,719.47, 5,164,946.74 and 2,111,121.76
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.