Home / 2,945,176.02-4,417,271.95-815,475.42

Finding the Fourth Proportional to 2,945,176.02, 4,417,271.95 and 815,475.42

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Solution

The fourth proportional to 2,945,176.02, 4,417,271.95 and 815,475.42 is: 1,223,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,176.02 : 4,417,271.95 = 815,475.42 : x
  2. Step 2: Convert to fraction form
    2,945,176.02/4,417,271.95 = 815,475.42/x
  3. Step 3: Cross multiply
    2,945,176.02x = 4,417,271.95 × 815,475.42
  4. Step 4: Simplify right side
    2,945,176.02x = 3,602,176,672,516.73
  5. Step 5: Solve for x
    x = 3,602,176,672,516.73/2,945,176.02
  6. Step 6: Final answer
    x = 1,223,076.87

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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.