Home / 2,971,500.84-4,459,021.92-1,078,389.90

Finding the Fourth Proportional to 2,971,500.84, 4,459,021.92 and 1,078,389.90

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Solution

The fourth proportional to 2,971,500.84, 4,459,021.92 and 1,078,389.90 is: 1,618,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,500.84 : 4,459,021.92 = 1,078,389.90 : x
  2. Step 2: Convert to fraction form
    2,971,500.84/4,459,021.92 = 1,078,389.90/x
  3. Step 3: Cross multiply
    2,971,500.84x = 4,459,021.92 × 1,078,389.90
  4. Step 4: Simplify right side
    2,971,500.84x = 4,808,564,202,406.61
  5. Step 5: Solve for x
    x = 4,808,564,202,406.61/2,971,500.84
  6. Step 6: Final answer
    x = 1,618,227.44

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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.