Home / 5,139,828.12-7,704,316.90-1,724,876.83

Finding the Fourth Proportional to 5,139,828.12, 7,704,316.90 and 1,724,876.83

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Solution

The fourth proportional to 5,139,828.12, 7,704,316.90 and 1,724,876.83 is: 2,585,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,828.12 : 7,704,316.90 = 1,724,876.83 : x
  2. Step 2: Convert to fraction form
    5,139,828.12/7,704,316.90 = 1,724,876.83/x
  3. Step 3: Cross multiply
    5,139,828.12x = 7,704,316.90 × 1,724,876.83
  4. Step 4: Simplify right side
    5,139,828.12x = 13,288,997,711,787.43
  5. Step 5: Solve for x
    x = 13,288,997,711,787.43/5,139,828.12
  6. Step 6: Final answer
    x = 2,585,494.57

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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.