Home / 1,942,630.40-2,912,779.20-997,846.40

Finding the Fourth Proportional to 1,942,630.40, 2,912,779.20 and 997,846.40

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Solution

The fourth proportional to 1,942,630.40, 2,912,779.20 and 997,846.40 is: 1,496,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,630.40 : 2,912,779.20 = 997,846.40 : x
  2. Step 2: Convert to fraction form
    1,942,630.40/2,912,779.20 = 997,846.40/x
  3. Step 3: Cross multiply
    1,942,630.40x = 2,912,779.20 × 997,846.40
  4. Step 4: Simplify right side
    1,942,630.40x = 2,906,506,238,714.88
  5. Step 5: Solve for x
    x = 2,906,506,238,714.88/1,942,630.40
  6. Step 6: Final answer
    x = 1,496,170.47

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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.