Home / 2,175,909.93-3,002,701.08-1,209,042.66

Finding the Fourth Proportional to 2,175,909.93, 3,002,701.08 and 1,209,042.66

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Solution

The fourth proportional to 2,175,909.93, 3,002,701.08 and 1,209,042.66 is: 1,668,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,909.93 : 3,002,701.08 = 1,209,042.66 : x
  2. Step 2: Convert to fraction form
    2,175,909.93/3,002,701.08 = 1,209,042.66/x
  3. Step 3: Cross multiply
    2,175,909.93x = 3,002,701.08 × 1,209,042.66
  4. Step 4: Simplify right side
    2,175,909.93x = 3,630,393,700,948.07
  5. Step 5: Solve for x
    x = 3,630,393,700,948.07/2,175,909.93
  6. Step 6: Final answer
    x = 1,668,448.52

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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.