Home / 5,478,386.79-7,559,509.11-3,156,031.23

Finding the Fourth Proportional to 5,478,386.79, 7,559,509.11 and 3,156,031.23

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Solution

The fourth proportional to 5,478,386.79, 7,559,509.11 and 3,156,031.23 is: 4,354,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,386.79 : 7,559,509.11 = 3,156,031.23 : x
  2. Step 2: Convert to fraction form
    5,478,386.79/7,559,509.11 = 3,156,031.23/x
  3. Step 3: Cross multiply
    5,478,386.79x = 7,559,509.11 × 3,156,031.23
  4. Step 4: Simplify right side
    5,478,386.79x = 23,858,046,834,629.51
  5. Step 5: Solve for x
    x = 23,858,046,834,629.51/5,478,386.79
  6. Step 6: Final answer
    x = 4,354,940.19

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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.