Home / 5,085,407.20-7,628,110.80-3,065,931.40

Finding the Fourth Proportional to 5,085,407.20, 7,628,110.80 and 3,065,931.40

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Solution

The fourth proportional to 5,085,407.20, 7,628,110.80 and 3,065,931.40 is: 4,598,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085,407.20 : 7,628,110.80 = 3,065,931.40 : x
  2. Step 2: Convert to fraction form
    5,085,407.20/7,628,110.80 = 3,065,931.40/x
  3. Step 3: Cross multiply
    5,085,407.20x = 7,628,110.80 × 3,065,931.40
  4. Step 4: Simplify right side
    5,085,407.20x = 23,387,264,424,399.12
  5. Step 5: Solve for x
    x = 23,387,264,424,399.12/5,085,407.20
  6. Step 6: Final answer
    x = 4,598,897.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.