Home / 2,931,889.05-4,046,004.18-1,642,738.66

Finding the Fourth Proportional to 2,931,889.05, 4,046,004.18 and 1,642,738.66

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Solution

The fourth proportional to 2,931,889.05, 4,046,004.18 and 1,642,738.66 is: 2,266,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,889.05 : 4,046,004.18 = 1,642,738.66 : x
  2. Step 2: Convert to fraction form
    2,931,889.05/4,046,004.18 = 1,642,738.66/x
  3. Step 3: Cross multiply
    2,931,889.05x = 4,046,004.18 × 1,642,738.66
  4. Step 4: Simplify right side
    2,931,889.05x = 6,646,527,490,065.10
  5. Step 5: Solve for x
    x = 6,646,527,490,065.10/2,931,889.05
  6. Step 6: Final answer
    x = 2,266,977.83

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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.