Home / 1,915,642-2,873,477.40-850,397.68

Finding the Fourth Proportional to 1,915,642, 2,873,477.40 and 850,397.68

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Solution

The fourth proportional to 1,915,642, 2,873,477.40 and 850,397.68 is: 1,275,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,642 : 2,873,477.40 = 850,397.68 : x
  2. Step 2: Convert to fraction form
    1,915,642/2,873,477.40 = 850,397.68/x
  3. Step 3: Cross multiply
    1,915,642x = 2,873,477.40 × 850,397.68
  4. Step 4: Simplify right side
    1,915,642x = 2,443,598,514,492.43
  5. Step 5: Solve for x
    x = 2,443,598,514,492.43/1,915,642
  6. Step 6: Final answer
    x = 1,275,602.91

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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.