Home / 4,711,421.44-7,068,550.80-1,678,391.20

Finding the Fourth Proportional to 4,711,421.44, 7,068,550.80 and 1,678,391.20

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Solution

The fourth proportional to 4,711,421.44, 7,068,550.80 and 1,678,391.20 is: 2,518,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711,421.44 : 7,068,550.80 = 1,678,391.20 : x
  2. Step 2: Convert to fraction form
    4,711,421.44/7,068,550.80 = 1,678,391.20/x
  3. Step 3: Cross multiply
    4,711,421.44x = 7,068,550.80 × 1,678,391.20
  4. Step 4: Simplify right side
    4,711,421.44x = 11,863,793,459,472.96
  5. Step 5: Solve for x
    x = 11,863,793,459,472.96/4,711,421.44
  6. Step 6: Final answer
    x = 2,518,092.17

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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.