Home / 2,540,642.12-3,506,089.29-1,379,087.74

Finding the Fourth Proportional to 2,540,642.12, 3,506,089.29 and 1,379,087.74

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Solution

The fourth proportional to 2,540,642.12, 3,506,089.29 and 1,379,087.74 is: 1,903,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,642.12 : 3,506,089.29 = 1,379,087.74 : x
  2. Step 2: Convert to fraction form
    2,540,642.12/3,506,089.29 = 1,379,087.74/x
  3. Step 3: Cross multiply
    2,540,642.12x = 3,506,089.29 × 1,379,087.74
  4. Step 4: Simplify right side
    2,540,642.12x = 4,835,204,755,184.31
  5. Step 5: Solve for x
    x = 4,835,204,755,184.31/2,540,642.12
  6. Step 6: Final answer
    x = 1,903,142.80

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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.