Home / 4,584,428.80-6,876,643.20-2,187,039.40

Finding the Fourth Proportional to 4,584,428.80, 6,876,643.20 and 2,187,039.40

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Solution

The fourth proportional to 4,584,428.80, 6,876,643.20 and 2,187,039.40 is: 3,280,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584,428.80 : 6,876,643.20 = 2,187,039.40 : x
  2. Step 2: Convert to fraction form
    4,584,428.80/6,876,643.20 = 2,187,039.40/x
  3. Step 3: Cross multiply
    4,584,428.80x = 6,876,643.20 × 2,187,039.40
  4. Step 4: Simplify right side
    4,584,428.80x = 15,039,489,618,142.08
  5. Step 5: Solve for x
    x = 15,039,489,618,142.08/4,584,428.80
  6. Step 6: Final answer
    x = 3,280,559.10

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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.