Home / 1,731,127.68-2,389,622.88-1,549,519.20

Finding the Fourth Proportional to 1,731,127.68, 2,389,622.88 and 1,549,519.20

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Solution

The fourth proportional to 1,731,127.68, 2,389,622.88 and 1,549,519.20 is: 2,138,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,127.68 : 2,389,622.88 = 1,549,519.20 : x
  2. Step 2: Convert to fraction form
    1,731,127.68/2,389,622.88 = 1,549,519.20/x
  3. Step 3: Cross multiply
    1,731,127.68x = 2,389,622.88 × 1,549,519.20
  4. Step 4: Simplify right side
    1,731,127.68x = 3,702,766,533,319.30
  5. Step 5: Solve for x
    x = 3,702,766,533,319.30/1,731,127.68
  6. Step 6: Final answer
    x = 2,138,933.24

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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.