Home / 3,178,404.90-4,759,734.15-2,039,415.30

Finding the Fourth Proportional to 3,178,404.90, 4,759,734.15 and 2,039,415.30

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Solution

The fourth proportional to 3,178,404.90, 4,759,734.15 and 2,039,415.30 is: 3,054,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,404.90 : 4,759,734.15 = 2,039,415.30 : x
  2. Step 2: Convert to fraction form
    3,178,404.90/4,759,734.15 = 2,039,415.30/x
  3. Step 3: Cross multiply
    3,178,404.90x = 4,759,734.15 × 2,039,415.30
  4. Step 4: Simplify right side
    3,178,404.90x = 9,707,074,649,442.50
  5. Step 5: Solve for x
    x = 9,707,074,649,442.50/3,178,404.90
  6. Step 6: Final answer
    x = 3,054,071.13

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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.