Home / 3,027,280.16-4,178,658.96-1,803,969.43

Finding the Fourth Proportional to 3,027,280.16, 4,178,658.96 and 1,803,969.43

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Solution

The fourth proportional to 3,027,280.16, 4,178,658.96 and 1,803,969.43 is: 2,490,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027,280.16 : 4,178,658.96 = 1,803,969.43 : x
  2. Step 2: Convert to fraction form
    3,027,280.16/4,178,658.96 = 1,803,969.43/x
  3. Step 3: Cross multiply
    3,027,280.16x = 4,178,658.96 × 1,803,969.43
  4. Step 4: Simplify right side
    3,027,280.16x = 7,538,173,011,788.95
  5. Step 5: Solve for x
    x = 7,538,173,011,788.95/3,027,280.16
  6. Step 6: Final answer
    x = 2,490,081.07

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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.