Home / 2,772,312.40-4,158,079.80-879,245.20

Finding the Fourth Proportional to 2,772,312.40, 4,158,079.80 and 879,245.20

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Solution

The fourth proportional to 2,772,312.40, 4,158,079.80 and 879,245.20 is: 1,318,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,312.40 : 4,158,079.80 = 879,245.20 : x
  2. Step 2: Convert to fraction form
    2,772,312.40/4,158,079.80 = 879,245.20/x
  3. Step 3: Cross multiply
    2,772,312.40x = 4,158,079.80 × 879,245.20
  4. Step 4: Simplify right side
    2,772,312.40x = 3,655,971,705,366.96
  5. Step 5: Solve for x
    x = 3,655,971,705,366.96/2,772,312.40
  6. Step 6: Final answer
    x = 1,318,744.49

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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.