Home / 1,668,489.60-2,502,716.54-1,266,153.35

Finding the Fourth Proportional to 1,668,489.60, 2,502,716.54 and 1,266,153.35

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Solution

The fourth proportional to 1,668,489.60, 2,502,716.54 and 1,266,153.35 is: 1,899,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,489.60 : 2,502,716.54 = 1,266,153.35 : x
  2. Step 2: Convert to fraction form
    1,668,489.60/2,502,716.54 = 1,266,153.35/x
  3. Step 3: Cross multiply
    1,668,489.60x = 2,502,716.54 × 1,266,153.35
  4. Step 4: Simplify right side
    1,668,489.60x = 3,168,822,930,036.70
  5. Step 5: Solve for x
    x = 3,168,822,930,036.70/1,668,489.60
  6. Step 6: Final answer
    x = 1,899,216.47

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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.