Home / 2,116,503.66-2,920,812.48-1,198,921.86

Finding the Fourth Proportional to 2,116,503.66, 2,920,812.48 and 1,198,921.86

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Solution

The fourth proportional to 2,116,503.66, 2,920,812.48 and 1,198,921.86 is: 1,654,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,503.66 : 2,920,812.48 = 1,198,921.86 : x
  2. Step 2: Convert to fraction form
    2,116,503.66/2,920,812.48 = 1,198,921.86/x
  3. Step 3: Cross multiply
    2,116,503.66x = 2,920,812.48 × 1,198,921.86
  4. Step 4: Simplify right side
    2,116,503.66x = 3,501,825,931,232.81
  5. Step 5: Solve for x
    x = 3,501,825,931,232.81/2,116,503.66
  6. Step 6: Final answer
    x = 1,654,533.37

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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.