Home / 2,990,403.60-4,480,259.40-1,819,791.60

Finding the Fourth Proportional to 2,990,403.60, 4,480,259.40 and 1,819,791.60

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Solution

The fourth proportional to 2,990,403.60, 4,480,259.40 and 1,819,791.60 is: 2,726,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,403.60 : 4,480,259.40 = 1,819,791.60 : x
  2. Step 2: Convert to fraction form
    2,990,403.60/4,480,259.40 = 1,819,791.60/x
  3. Step 3: Cross multiply
    2,990,403.60x = 4,480,259.40 × 1,819,791.60
  4. Step 4: Simplify right side
    2,990,403.60x = 8,153,138,421,941.04
  5. Step 5: Solve for x
    x = 8,153,138,421,941.04/2,990,403.60
  6. Step 6: Final answer
    x = 2,726,434.12

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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.