Home / 2,990,941.20-4,486,411.80-2,692,342.80

Finding the Fourth Proportional to 2,990,941.20, 4,486,411.80 and 2,692,342.80

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Solution

The fourth proportional to 2,990,941.20, 4,486,411.80 and 2,692,342.80 is: 4,038,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,941.20 : 4,486,411.80 = 2,692,342.80 : x
  2. Step 2: Convert to fraction form
    2,990,941.20/4,486,411.80 = 2,692,342.80/x
  3. Step 3: Cross multiply
    2,990,941.20x = 4,486,411.80 × 2,692,342.80
  4. Step 4: Simplify right side
    2,990,941.20x = 12,078,958,507,565.04
  5. Step 5: Solve for x
    x = 12,078,958,507,565.04/2,990,941.20
  6. Step 6: Final answer
    x = 4,038,514.20

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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.