Home / 1,891,424.75-2,607,117.01-1,279,354.30

Finding the Fourth Proportional to 1,891,424.75, 2,607,117.01 and 1,279,354.30

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Solution

The fourth proportional to 1,891,424.75, 2,607,117.01 and 1,279,354.30 is: 1,763,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,424.75 : 2,607,117.01 = 1,279,354.30 : x
  2. Step 2: Convert to fraction form
    1,891,424.75/2,607,117.01 = 1,279,354.30/x
  3. Step 3: Cross multiply
    1,891,424.75x = 2,607,117.01 × 1,279,354.30
  4. Step 4: Simplify right side
    1,891,424.75x = 3,335,426,362,159.35
  5. Step 5: Solve for x
    x = 3,335,426,362,159.35/1,891,424.75
  6. Step 6: Final answer
    x = 1,763,446.50

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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.