Home / 3,612,926.74-4,985,380.65-1,980,904.65

Finding the Fourth Proportional to 3,612,926.74, 4,985,380.65 and 1,980,904.65

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Solution

The fourth proportional to 3,612,926.74, 4,985,380.65 and 1,980,904.65 is: 2,733,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,926.74 : 4,985,380.65 = 1,980,904.65 : x
  2. Step 2: Convert to fraction form
    3,612,926.74/4,985,380.65 = 1,980,904.65/x
  3. Step 3: Cross multiply
    3,612,926.74x = 4,985,380.65 × 1,980,904.65
  4. Step 4: Simplify right side
    3,612,926.74x = 9,875,563,711,605.02
  5. Step 5: Solve for x
    x = 9,875,563,711,605.02/3,612,926.74
  6. Step 6: Final answer
    x = 2,733,397.17

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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.