Home / 5,309,541.77-7,964,313.02-2,116,909.95

Finding the Fourth Proportional to 5,309,541.77, 7,964,313.02 and 2,116,909.95

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Solution

The fourth proportional to 5,309,541.77, 7,964,313.02 and 2,116,909.95 is: 3,175,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309,541.77 : 7,964,313.02 = 2,116,909.95 : x
  2. Step 2: Convert to fraction form
    5,309,541.77/7,964,313.02 = 2,116,909.95/x
  3. Step 3: Cross multiply
    5,309,541.77x = 7,964,313.02 × 2,116,909.95
  4. Step 4: Simplify right side
    5,309,541.77x = 16,859,733,466,368
  5. Step 5: Solve for x
    x = 16,859,733,466,368/5,309,541.77
  6. Step 6: Final answer
    x = 3,175,365.07

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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.