Home / 2,898,980.10-4,000,695.60-1,609,842.42

Finding the Fourth Proportional to 2,898,980.10, 4,000,695.60 and 1,609,842.42

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Solution

The fourth proportional to 2,898,980.10, 4,000,695.60 and 1,609,842.42 is: 2,221,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,980.10 : 4,000,695.60 = 1,609,842.42 : x
  2. Step 2: Convert to fraction form
    2,898,980.10/4,000,695.60 = 1,609,842.42/x
  3. Step 3: Cross multiply
    2,898,980.10x = 4,000,695.60 × 1,609,842.42
  4. Step 4: Simplify right side
    2,898,980.10x = 6,440,489,486,387.35
  5. Step 5: Solve for x
    x = 6,440,489,486,387.35/2,898,980.10
  6. Step 6: Final answer
    x = 2,221,639.77

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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.