Home / 2,878,957.76-4,315,546.56-984,403.52

Finding the Fourth Proportional to 2,878,957.76, 4,315,546.56 and 984,403.52

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Solution

The fourth proportional to 2,878,957.76, 4,315,546.56 and 984,403.52 is: 1,475,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,957.76 : 4,315,546.56 = 984,403.52 : x
  2. Step 2: Convert to fraction form
    2,878,957.76/4,315,546.56 = 984,403.52/x
  3. Step 3: Cross multiply
    2,878,957.76x = 4,315,546.56 × 984,403.52
  4. Step 4: Simplify right side
    2,878,957.76x = 4,248,239,224,387.89
  5. Step 5: Solve for x
    x = 4,248,239,224,387.89/2,878,957.76
  6. Step 6: Final answer
    x = 1,475,617.07

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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.