Home / 2,898,909.59-4,000,502.42-1,609,749.86

Finding the Fourth Proportional to 2,898,909.59, 4,000,502.42 and 1,609,749.86

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Solution

The fourth proportional to 2,898,909.59, 4,000,502.42 and 1,609,749.86 is: 2,221,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,909.59 : 4,000,502.42 = 1,609,749.86 : x
  2. Step 2: Convert to fraction form
    2,898,909.59/4,000,502.42 = 1,609,749.86/x
  3. Step 3: Cross multiply
    2,898,909.59x = 4,000,502.42 × 1,609,749.86
  4. Step 4: Simplify right side
    2,898,909.59x = 6,439,808,182,473.40
  5. Step 5: Solve for x
    x = 6,439,808,182,473.40/2,898,909.59
  6. Step 6: Final answer
    x = 2,221,458.79

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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.