Home / 2,518,982.40-3,778,473.60-1,623,187.20

Finding the Fourth Proportional to 2,518,982.40, 3,778,473.60 and 1,623,187.20

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Solution

The fourth proportional to 2,518,982.40, 3,778,473.60 and 1,623,187.20 is: 2,434,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,982.40 : 3,778,473.60 = 1,623,187.20 : x
  2. Step 2: Convert to fraction form
    2,518,982.40/3,778,473.60 = 1,623,187.20/x
  3. Step 3: Cross multiply
    2,518,982.40x = 3,778,473.60 × 1,623,187.20
  4. Step 4: Simplify right side
    2,518,982.40x = 6,133,169,983,057.92
  5. Step 5: Solve for x
    x = 6,133,169,983,057.92/2,518,982.40
  6. Step 6: Final answer
    x = 2,434,780.80

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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.