Home / 4,129,191.10-6,193,786.65-2,989,545.40

Finding the Fourth Proportional to 4,129,191.10, 6,193,786.65 and 2,989,545.40

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Solution

The fourth proportional to 4,129,191.10, 6,193,786.65 and 2,989,545.40 is: 4,484,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129,191.10 : 6,193,786.65 = 2,989,545.40 : x
  2. Step 2: Convert to fraction form
    4,129,191.10/6,193,786.65 = 2,989,545.40/x
  3. Step 3: Cross multiply
    4,129,191.10x = 6,193,786.65 × 2,989,545.40
  4. Step 4: Simplify right side
    4,129,191.10x = 18,516,606,388,088.91
  5. Step 5: Solve for x
    x = 18,516,606,388,088.91/4,129,191.10
  6. Step 6: Final answer
    x = 4,484,318.10

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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.