Home / 2,912,390.20-4,368,585.30-1,652,678.20

Finding the Fourth Proportional to 2,912,390.20, 4,368,585.30 and 1,652,678.20

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Solution

The fourth proportional to 2,912,390.20, 4,368,585.30 and 1,652,678.20 is: 2,479,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,390.20 : 4,368,585.30 = 1,652,678.20 : x
  2. Step 2: Convert to fraction form
    2,912,390.20/4,368,585.30 = 1,652,678.20/x
  3. Step 3: Cross multiply
    2,912,390.20x = 4,368,585.30 × 1,652,678.20
  4. Step 4: Simplify right side
    2,912,390.20x = 7,219,865,690,150.46
  5. Step 5: Solve for x
    x = 7,219,865,690,150.46/2,912,390.20
  6. Step 6: Final answer
    x = 2,479,017.30

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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.