Home / 2,166,384.76-2,989,713.65-1,306,926.56

Finding the Fourth Proportional to 2,166,384.76, 2,989,713.65 and 1,306,926.56

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Solution

The fourth proportional to 2,166,384.76, 2,989,713.65 and 1,306,926.56 is: 1,803,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,384.76 : 2,989,713.65 = 1,306,926.56 : x
  2. Step 2: Convert to fraction form
    2,166,384.76/2,989,713.65 = 1,306,926.56/x
  3. Step 3: Cross multiply
    2,166,384.76x = 2,989,713.65 × 1,306,926.56
  4. Step 4: Simplify right side
    2,166,384.76x = 3,907,336,176,919.20
  5. Step 5: Solve for x
    x = 3,907,336,176,919.20/2,166,384.76
  6. Step 6: Final answer
    x = 1,803,620.60

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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.