Home / 5,153,742.56-7,112,250.18-2,830,849.76

Finding the Fourth Proportional to 5,153,742.56, 7,112,250.18 and 2,830,849.76

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Solution

The fourth proportional to 5,153,742.56, 7,112,250.18 and 2,830,849.76 is: 3,906,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153,742.56 : 7,112,250.18 = 2,830,849.76 : x
  2. Step 2: Convert to fraction form
    5,153,742.56/7,112,250.18 = 2,830,849.76/x
  3. Step 3: Cross multiply
    5,153,742.56x = 7,112,250.18 × 2,830,849.76
  4. Step 4: Simplify right side
    5,153,742.56x = 20,133,711,679,551.70
  5. Step 5: Solve for x
    x = 20,133,711,679,551.70/5,153,742.56
  6. Step 6: Final answer
    x = 3,906,619.60

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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.