Home / 2,255,811.18-3,113,043.39-1,223,320.98

Finding the Fourth Proportional to 2,255,811.18, 3,113,043.39 and 1,223,320.98

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Solution

The fourth proportional to 2,255,811.18, 3,113,043.39 and 1,223,320.98 is: 1,688,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,811.18 : 3,113,043.39 = 1,223,320.98 : x
  2. Step 2: Convert to fraction form
    2,255,811.18/3,113,043.39 = 1,223,320.98/x
  3. Step 3: Cross multiply
    2,255,811.18x = 3,113,043.39 × 1,223,320.98
  4. Step 4: Simplify right side
    2,255,811.18x = 3,808,251,290,637.32
  5. Step 5: Solve for x
    x = 3,808,251,290,637.32/2,255,811.18
  6. Step 6: Final answer
    x = 1,688,195.95

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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.