Home / 3,027,280.91-4,178,660-1,803,970.18

Finding the Fourth Proportional to 3,027,280.91, 4,178,660 and 1,803,970.18

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Solution

The fourth proportional to 3,027,280.91, 4,178,660 and 1,803,970.18 is: 2,490,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027,280.91 : 4,178,660 = 1,803,970.18 : x
  2. Step 2: Convert to fraction form
    3,027,280.91/4,178,660 = 1,803,970.18/x
  3. Step 3: Cross multiply
    3,027,280.91x = 4,178,660 × 1,803,970.18
  4. Step 4: Simplify right side
    3,027,280.91x = 7,538,178,032,358.80
  5. Step 5: Solve for x
    x = 7,538,178,032,358.80/3,027,280.91
  6. Step 6: Final answer
    x = 2,490,082.11

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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.