Home / 3,136,905.40-4,705,358.10-1,007,204.80

Finding the Fourth Proportional to 3,136,905.40, 4,705,358.10 and 1,007,204.80

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Solution

The fourth proportional to 3,136,905.40, 4,705,358.10 and 1,007,204.80 is: 1,510,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,905.40 : 4,705,358.10 = 1,007,204.80 : x
  2. Step 2: Convert to fraction form
    3,136,905.40/4,705,358.10 = 1,007,204.80/x
  3. Step 3: Cross multiply
    3,136,905.40x = 4,705,358.10 × 1,007,204.80
  4. Step 4: Simplify right side
    3,136,905.40x = 4,739,259,264,038.88
  5. Step 5: Solve for x
    x = 4,739,259,264,038.88/3,136,905.40
  6. Step 6: Final answer
    x = 1,510,807.20

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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.