Home / 3,114,139.20-4,671,208.80-1,765,780.80

Finding the Fourth Proportional to 3,114,139.20, 4,671,208.80 and 1,765,780.80

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Solution

The fourth proportional to 3,114,139.20, 4,671,208.80 and 1,765,780.80 is: 2,648,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,139.20 : 4,671,208.80 = 1,765,780.80 : x
  2. Step 2: Convert to fraction form
    3,114,139.20/4,671,208.80 = 1,765,780.80/x
  3. Step 3: Cross multiply
    3,114,139.20x = 4,671,208.80 × 1,765,780.80
  4. Step 4: Simplify right side
    3,114,139.20x = 8,248,330,811,831.04
  5. Step 5: Solve for x
    x = 8,248,330,811,831.04/3,114,139.20
  6. Step 6: Final answer
    x = 2,648,671.20

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1.5x scale

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.