Home / 1,386,619.52-1,911,684.48-1,101,084.80

Finding the Fourth Proportional to 1,386,619.52, 1,911,684.48 and 1,101,084.80

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Solution

The fourth proportional to 1,386,619.52, 1,911,684.48 and 1,101,084.80 is: 1,518,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,619.52 : 1,911,684.48 = 1,101,084.80 : x
  2. Step 2: Convert to fraction form
    1,386,619.52/1,911,684.48 = 1,101,084.80/x
  3. Step 3: Cross multiply
    1,386,619.52x = 1,911,684.48 × 1,101,084.80
  4. Step 4: Simplify right side
    1,386,619.52x = 2,104,926,723,323.90
  5. Step 5: Solve for x
    x = 2,104,926,723,323.90/1,386,619.52
  6. Step 6: Final answer
    x = 1,518,027.62

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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.