Home / 2,993,000.40-4,490,156.70-970,900.20

Finding the Fourth Proportional to 2,993,000.40, 4,490,156.70 and 970,900.20

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Solution

The fourth proportional to 2,993,000.40, 4,490,156.70 and 970,900.20 is: 1,456,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,000.40 : 4,490,156.70 = 970,900.20 : x
  2. Step 2: Convert to fraction form
    2,993,000.40/4,490,156.70 = 970,900.20/x
  3. Step 3: Cross multiply
    2,993,000.40x = 4,490,156.70 × 970,900.20
  4. Step 4: Simplify right side
    2,993,000.40x = 4,359,494,038,061.34
  5. Step 5: Solve for x
    x = 4,359,494,038,061.34/2,993,000.40
  6. Step 6: Final answer
    x = 1,456,563.13

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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.