Home / 2,118,582.30-3,175,108.65-981,212.70

Finding the Fourth Proportional to 2,118,582.30, 3,175,108.65 and 981,212.70

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Solution

The fourth proportional to 2,118,582.30, 3,175,108.65 and 981,212.70 is: 1,470,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,582.30 : 3,175,108.65 = 981,212.70 : x
  2. Step 2: Convert to fraction form
    2,118,582.30/3,175,108.65 = 981,212.70/x
  3. Step 3: Cross multiply
    2,118,582.30x = 3,175,108.65 × 981,212.70
  4. Step 4: Simplify right side
    2,118,582.30x = 3,115,456,931,259.86
  5. Step 5: Solve for x
    x = 3,115,456,931,259.86/2,118,582.30
  6. Step 6: Final answer
    x = 1,470,538.54

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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.