Home / 5,155,331.40-7,731,028.80-1,559,903.40

Finding the Fourth Proportional to 5,155,331.40, 7,731,028.80 and 1,559,903.40

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Solution

The fourth proportional to 5,155,331.40, 7,731,028.80 and 1,559,903.40 is: 2,339,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,331.40 : 7,731,028.80 = 1,559,903.40 : x
  2. Step 2: Convert to fraction form
    5,155,331.40/7,731,028.80 = 1,559,903.40/x
  3. Step 3: Cross multiply
    5,155,331.40x = 7,731,028.80 × 1,559,903.40
  4. Step 4: Simplify right side
    5,155,331.40x = 12,059,658,110,617.92
  5. Step 5: Solve for x
    x = 12,059,658,110,617.92/5,155,331.40
  6. Step 6: Final answer
    x = 2,339,259.53

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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.