Home / 2,971,535.12-4,459,073.40-1,078,424.12

Finding the Fourth Proportional to 2,971,535.12, 4,459,073.40 and 1,078,424.12

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Solution

The fourth proportional to 2,971,535.12, 4,459,073.40 and 1,078,424.12 is: 1,618,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,535.12 : 4,459,073.40 = 1,078,424.12 : x
  2. Step 2: Convert to fraction form
    2,971,535.12/4,459,073.40 = 1,078,424.12/x
  3. Step 3: Cross multiply
    2,971,535.12x = 4,459,073.40 × 1,078,424.12
  4. Step 4: Simplify right side
    2,971,535.12x = 4,808,772,307,410.41
  5. Step 5: Solve for x
    x = 4,808,772,307,410.41/2,971,535.12
  6. Step 6: Final answer
    x = 1,618,278.81

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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.