Home / 2,779,803.40-4,165,233.90-1,578,152.20

Finding the Fourth Proportional to 2,779,803.40, 4,165,233.90 and 1,578,152.20

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Solution

The fourth proportional to 2,779,803.40, 4,165,233.90 and 1,578,152.20 is: 2,364,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,803.40 : 4,165,233.90 = 1,578,152.20 : x
  2. Step 2: Convert to fraction form
    2,779,803.40/4,165,233.90 = 1,578,152.20/x
  3. Step 3: Cross multiply
    2,779,803.40x = 4,165,233.90 × 1,578,152.20
  4. Step 4: Simplify right side
    2,779,803.40x = 6,573,373,042,799.58
  5. Step 5: Solve for x
    x = 6,573,373,042,799.58/2,779,803.40
  6. Step 6: Final answer
    x = 2,364,689.91

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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.