Home / 2,605,948.76-3,909,444.60-900,154.28

Finding the Fourth Proportional to 2,605,948.76, 3,909,444.60 and 900,154.28

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Solution

The fourth proportional to 2,605,948.76, 3,909,444.60 and 900,154.28 is: 1,350,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,948.76 : 3,909,444.60 = 900,154.28 : x
  2. Step 2: Convert to fraction form
    2,605,948.76/3,909,444.60 = 900,154.28/x
  3. Step 3: Cross multiply
    2,605,948.76x = 3,909,444.60 × 900,154.28
  4. Step 4: Simplify right side
    2,605,948.76x = 3,519,103,289,112.89
  5. Step 5: Solve for x
    x = 3,519,103,289,112.89/2,605,948.76
  6. Step 6: Final answer
    x = 1,350,411.54

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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.