Home / 2,626,877.35-3,939,989.90-707,938.68

Finding the Fourth Proportional to 2,626,877.35, 3,939,989.90 and 707,938.68

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Solution

The fourth proportional to 2,626,877.35, 3,939,989.90 and 707,938.68 is: 1,061,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,877.35 : 3,939,989.90 = 707,938.68 : x
  2. Step 2: Convert to fraction form
    2,626,877.35/3,939,989.90 = 707,938.68/x
  3. Step 3: Cross multiply
    2,626,877.35x = 3,939,989.90 × 707,938.68
  4. Step 4: Simplify right side
    2,626,877.35x = 2,789,271,245,479.64
  5. Step 5: Solve for x
    x = 2,789,271,245,479.64/2,626,877.35
  6. Step 6: Final answer
    x = 1,061,820.13

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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.