Home / 2,076,920.80-3,115,705.28-656,841.76

Finding the Fourth Proportional to 2,076,920.80, 3,115,705.28 and 656,841.76

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Solution

The fourth proportional to 2,076,920.80, 3,115,705.28 and 656,841.76 is: 985,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,920.80 : 3,115,705.28 = 656,841.76 : x
  2. Step 2: Convert to fraction form
    2,076,920.80/3,115,705.28 = 656,841.76/x
  3. Step 3: Cross multiply
    2,076,920.80x = 3,115,705.28 × 656,841.76
  4. Step 4: Simplify right side
    2,076,920.80x = 2,046,525,339,756.49
  5. Step 5: Solve for x
    x = 2,046,525,339,756.49/2,076,920.80
  6. Step 6: Final answer
    x = 985,365.13

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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.