Home / 2,816,894.40-4,225,385.34-687,018.84

Finding the Fourth Proportional to 2,816,894.40, 4,225,385.34 and 687,018.84

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Solution

The fourth proportional to 2,816,894.40, 4,225,385.34 and 687,018.84 is: 1,030,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,894.40 : 4,225,385.34 = 687,018.84 : x
  2. Step 2: Convert to fraction form
    2,816,894.40/4,225,385.34 = 687,018.84/x
  3. Step 3: Cross multiply
    2,816,894.40x = 4,225,385.34 × 687,018.84
  4. Step 4: Simplify right side
    2,816,894.40x = 2,902,919,334,839.81
  5. Step 5: Solve for x
    x = 2,902,919,334,839.81/2,816,894.40
  6. Step 6: Final answer
    x = 1,030,538.93

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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.