Home / 3,781,074.40-5,672,457.60-1,384,871.20

Finding the Fourth Proportional to 3,781,074.40, 5,672,457.60 and 1,384,871.20

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Solution

The fourth proportional to 3,781,074.40, 5,672,457.60 and 1,384,871.20 is: 2,077,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,074.40 : 5,672,457.60 = 1,384,871.20 : x
  2. Step 2: Convert to fraction form
    3,781,074.40/5,672,457.60 = 1,384,871.20/x
  3. Step 3: Cross multiply
    3,781,074.40x = 5,672,457.60 × 1,384,871.20
  4. Step 4: Simplify right side
    3,781,074.40x = 7,855,623,163,461.12
  5. Step 5: Solve for x
    x = 7,855,623,163,461.12/3,781,074.40
  6. Step 6: Final answer
    x = 2,077,616.66

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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.