Home / 2,947,479.81-4,421,219.43-817,564.02

Finding the Fourth Proportional to 2,947,479.81, 4,421,219.43 and 817,564.02

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Solution

The fourth proportional to 2,947,479.81, 4,421,219.43 and 817,564.02 is: 1,226,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,479.81 : 4,421,219.43 = 817,564.02 : x
  2. Step 2: Convert to fraction form
    2,947,479.81/4,421,219.43 = 817,564.02/x
  3. Step 3: Cross multiply
    2,947,479.81x = 4,421,219.43 × 817,564.02
  4. Step 4: Simplify right side
    2,947,479.81x = 3,614,629,930,492.91
  5. Step 5: Solve for x
    x = 3,614,629,930,492.91/2,947,479.81
  6. Step 6: Final answer
    x = 1,226,345.95

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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.