Home / 2,712,548.20-4,069,859.10-2,670,039.40

Finding the Fourth Proportional to 2,712,548.20, 4,069,859.10 and 2,670,039.40

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Solution

The fourth proportional to 2,712,548.20, 4,069,859.10 and 2,670,039.40 is: 4,006,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,548.20 : 4,069,859.10 = 2,670,039.40 : x
  2. Step 2: Convert to fraction form
    2,712,548.20/4,069,859.10 = 2,670,039.40/x
  3. Step 3: Cross multiply
    2,712,548.20x = 4,069,859.10 × 2,670,039.40
  4. Step 4: Simplify right side
    2,712,548.20x = 10,866,684,149,448.54
  5. Step 5: Solve for x
    x = 10,866,684,149,448.54/2,712,548.20
  6. Step 6: Final answer
    x = 4,006,079.65

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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.