Home / 2,898,690.05-4,000,115.40-1,609,497.29

Finding the Fourth Proportional to 2,898,690.05, 4,000,115.40 and 1,609,497.29

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Solution

The fourth proportional to 2,898,690.05, 4,000,115.40 and 1,609,497.29 is: 2,221,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,690.05 : 4,000,115.40 = 1,609,497.29 : x
  2. Step 2: Convert to fraction form
    2,898,690.05/4,000,115.40 = 1,609,497.29/x
  3. Step 3: Cross multiply
    2,898,690.05x = 4,000,115.40 × 1,609,497.29
  4. Step 4: Simplify right side
    2,898,690.05x = 6,438,174,895,987.27
  5. Step 5: Solve for x
    x = 6,438,174,895,987.27/2,898,690.05
  6. Step 6: Final answer
    x = 2,221,063.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.