Home / 3,980,036.64-5,970,119.76-1,140,137.76

Finding the Fourth Proportional to 3,980,036.64, 5,970,119.76 and 1,140,137.76

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Solution

The fourth proportional to 3,980,036.64, 5,970,119.76 and 1,140,137.76 is: 1,710,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,036.64 : 5,970,119.76 = 1,140,137.76 : x
  2. Step 2: Convert to fraction form
    3,980,036.64/5,970,119.76 = 1,140,137.76/x
  3. Step 3: Cross multiply
    3,980,036.64x = 5,970,119.76 × 1,140,137.76
  4. Step 4: Simplify right side
    3,980,036.64x = 6,806,758,970,098.14
  5. Step 5: Solve for x
    x = 6,806,758,970,098.14/3,980,036.64
  6. Step 6: Final answer
    x = 1,710,225.20

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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.