Home / 1,817,479.80-2,508,019.79-1,001,680.98

Finding the Fourth Proportional to 1,817,479.80, 2,508,019.79 and 1,001,680.98

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Solution

The fourth proportional to 1,817,479.80, 2,508,019.79 and 1,001,680.98 is: 1,382,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,479.80 : 2,508,019.79 = 1,001,680.98 : x
  2. Step 2: Convert to fraction form
    1,817,479.80/2,508,019.79 = 1,001,680.98/x
  3. Step 3: Cross multiply
    1,817,479.80x = 2,508,019.79 × 1,001,680.98
  4. Step 4: Simplify right side
    1,817,479.80x = 2,512,235,706,693.12
  5. Step 5: Solve for x
    x = 2,512,235,706,693.12/1,817,479.80
  6. Step 6: Final answer
    x = 1,382,263.34

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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.