Home / 1,781,643-2,668,033.80-1,246,657.44

Finding the Fourth Proportional to 1,781,643, 2,668,033.80 and 1,246,657.44

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Solution

The fourth proportional to 1,781,643, 2,668,033.80 and 1,246,657.44 is: 1,866,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,643 : 2,668,033.80 = 1,246,657.44 : x
  2. Step 2: Convert to fraction form
    1,781,643/2,668,033.80 = 1,246,657.44/x
  3. Step 3: Cross multiply
    1,781,643x = 2,668,033.80 × 1,246,657.44
  4. Step 4: Simplify right side
    1,781,643x = 3,326,124,186,941.47
  5. Step 5: Solve for x
    x = 3,326,124,186,941.47/1,781,643
  6. Step 6: Final answer
    x = 1,866,885.90

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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.