Home / 1,981,878.60-2,972,774.64-634,037.16

Finding the Fourth Proportional to 1,981,878.60, 2,972,774.64 and 634,037.16

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Solution

The fourth proportional to 1,981,878.60, 2,972,774.64 and 634,037.16 is: 951,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,878.60 : 2,972,774.64 = 634,037.16 : x
  2. Step 2: Convert to fraction form
    1,981,878.60/2,972,774.64 = 634,037.16/x
  3. Step 3: Cross multiply
    1,981,878.60x = 2,972,774.64 × 634,037.16
  4. Step 4: Simplify right side
    1,981,878.60x = 1,884,849,590,065.62
  5. Step 5: Solve for x
    x = 1,884,849,590,065.62/1,981,878.60
  6. Step 6: Final answer
    x = 951,041.90

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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.