Home / 2,715,523.60-4,075,909.80-1,369,206.40

Finding the Fourth Proportional to 2,715,523.60, 4,075,909.80 and 1,369,206.40

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Solution

The fourth proportional to 2,715,523.60, 4,075,909.80 and 1,369,206.40 is: 2,055,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,523.60 : 4,075,909.80 = 1,369,206.40 : x
  2. Step 2: Convert to fraction form
    2,715,523.60/4,075,909.80 = 1,369,206.40/x
  3. Step 3: Cross multiply
    2,715,523.60x = 4,075,909.80 × 1,369,206.40
  4. Step 4: Simplify right side
    2,715,523.60x = 5,580,761,783,982.72
  5. Step 5: Solve for x
    x = 5,580,761,783,982.72/2,715,523.60
  6. Step 6: Final answer
    x = 2,055,132.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.