Home / 3,002,086.40-4,142,903.68-1,778,461.52

Finding the Fourth Proportional to 3,002,086.40, 4,142,903.68 and 1,778,461.52

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Solution

The fourth proportional to 3,002,086.40, 4,142,903.68 and 1,778,461.52 is: 2,454,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002,086.40 : 4,142,903.68 = 1,778,461.52 : x
  2. Step 2: Convert to fraction form
    3,002,086.40/4,142,903.68 = 1,778,461.52/x
  3. Step 3: Cross multiply
    3,002,086.40x = 4,142,903.68 × 1,778,461.52
  4. Step 4: Simplify right side
    3,002,086.40x = 7,367,994,775,946.39
  5. Step 5: Solve for x
    x = 7,367,994,775,946.39/3,002,086.40
  6. Step 6: Final answer
    x = 2,454,291.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.