Home / 5,471,386.20-8,207,079.30-1,686,029.40

Finding the Fourth Proportional to 5,471,386.20, 8,207,079.30 and 1,686,029.40

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Solution

The fourth proportional to 5,471,386.20, 8,207,079.30 and 1,686,029.40 is: 2,529,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471,386.20 : 8,207,079.30 = 1,686,029.40 : x
  2. Step 2: Convert to fraction form
    5,471,386.20/8,207,079.30 = 1,686,029.40/x
  3. Step 3: Cross multiply
    5,471,386.20x = 8,207,079.30 × 1,686,029.40
  4. Step 4: Simplify right side
    5,471,386.20x = 13,837,376,987,931.42
  5. Step 5: Solve for x
    x = 13,837,376,987,931.42/5,471,386.20
  6. Step 6: Final answer
    x = 2,529,044.10

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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.