Home / 4,742,998.19-7,113,432.47-2,181,753.28

Finding the Fourth Proportional to 4,742,998.19, 7,113,432.47 and 2,181,753.28

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Solution

The fourth proportional to 4,742,998.19, 7,113,432.47 and 2,181,753.28 is: 3,272,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,998.19 : 7,113,432.47 = 2,181,753.28 : x
  2. Step 2: Convert to fraction form
    4,742,998.19/7,113,432.47 = 2,181,753.28/x
  3. Step 3: Cross multiply
    4,742,998.19x = 7,113,432.47 × 2,181,753.28
  4. Step 4: Simplify right side
    4,742,998.19x = 15,519,754,611,151.80
  5. Step 5: Solve for x
    x = 15,519,754,611,151.80/4,742,998.19
  6. Step 6: Final answer
    x = 3,272,140.11

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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.