Home / 2,068,658.10-3,102,987.15-1,919,358.90

Finding the Fourth Proportional to 2,068,658.10, 3,102,987.15 and 1,919,358.90

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Solution

The fourth proportional to 2,068,658.10, 3,102,987.15 and 1,919,358.90 is: 2,879,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,658.10 : 3,102,987.15 = 1,919,358.90 : x
  2. Step 2: Convert to fraction form
    2,068,658.10/3,102,987.15 = 1,919,358.90/x
  3. Step 3: Cross multiply
    2,068,658.10x = 3,102,987.15 × 1,919,358.90
  4. Step 4: Simplify right side
    2,068,658.10x = 5,955,746,002,938.14
  5. Step 5: Solve for x
    x = 5,955,746,002,938.14/2,068,658.10
  6. Step 6: Final answer
    x = 2,879,038.35

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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.