Home / 4,125,178.78-5,692,285.02-2,289,714.43

Finding the Fourth Proportional to 4,125,178.78, 5,692,285.02 and 2,289,714.43

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Solution

The fourth proportional to 4,125,178.78, 5,692,285.02 and 2,289,714.43 is: 3,159,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125,178.78 : 5,692,285.02 = 2,289,714.43 : x
  2. Step 2: Convert to fraction form
    4,125,178.78/5,692,285.02 = 2,289,714.43/x
  3. Step 3: Cross multiply
    4,125,178.78x = 5,692,285.02 × 2,289,714.43
  4. Step 4: Simplify right side
    4,125,178.78x = 13,033,707,124,287.55
  5. Step 5: Solve for x
    x = 13,033,707,124,287.55/4,125,178.78
  6. Step 6: Final answer
    x = 3,159,549.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.