Home / 5,087,175.20-7,630,762.80-1,891,640.15

Finding the Fourth Proportional to 5,087,175.20, 7,630,762.80 and 1,891,640.15

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Solution

The fourth proportional to 5,087,175.20, 7,630,762.80 and 1,891,640.15 is: 2,837,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087,175.20 : 7,630,762.80 = 1,891,640.15 : x
  2. Step 2: Convert to fraction form
    5,087,175.20/7,630,762.80 = 1,891,640.15/x
  3. Step 3: Cross multiply
    5,087,175.20x = 7,630,762.80 × 1,891,640.15
  4. Step 4: Simplify right side
    5,087,175.20x = 14,434,657,287,606.42
  5. Step 5: Solve for x
    x = 14,434,657,287,606.42/5,087,175.20
  6. Step 6: Final answer
    x = 2,837,460.23

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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.