Home / 1,526,819.40-2,290,229.10-1,411,345.80

Finding the Fourth Proportional to 1,526,819.40, 2,290,229.10 and 1,411,345.80

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Solution

The fourth proportional to 1,526,819.40, 2,290,229.10 and 1,411,345.80 is: 2,117,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,819.40 : 2,290,229.10 = 1,411,345.80 : x
  2. Step 2: Convert to fraction form
    1,526,819.40/2,290,229.10 = 1,411,345.80/x
  3. Step 3: Cross multiply
    1,526,819.40x = 2,290,229.10 × 1,411,345.80
  4. Step 4: Simplify right side
    1,526,819.40x = 3,232,305,221,322.78
  5. Step 5: Solve for x
    x = 3,232,305,221,322.78/1,526,819.40
  6. Step 6: Final answer
    x = 2,117,018.70

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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.