Home / 3,114,647.40-4,671,971.10-1,912,672.20

Finding the Fourth Proportional to 3,114,647.40, 4,671,971.10 and 1,912,672.20

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Solution

The fourth proportional to 3,114,647.40, 4,671,971.10 and 1,912,672.20 is: 2,869,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,647.40 : 4,671,971.10 = 1,912,672.20 : x
  2. Step 2: Convert to fraction form
    3,114,647.40/4,671,971.10 = 1,912,672.20/x
  3. Step 3: Cross multiply
    3,114,647.40x = 4,671,971.10 × 1,912,672.20
  4. Step 4: Simplify right side
    3,114,647.40x = 8,935,949,242,173.42
  5. Step 5: Solve for x
    x = 8,935,949,242,173.42/3,114,647.40
  6. Step 6: Final answer
    x = 2,869,008.30

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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.