Home / 1,873,276.20-2,812,506.30-1,203,503.40

Finding the Fourth Proportional to 1,873,276.20, 2,812,506.30 and 1,203,503.40

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Solution

The fourth proportional to 1,873,276.20, 2,812,506.30 and 1,203,503.40 is: 1,806,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,276.20 : 2,812,506.30 = 1,203,503.40 : x
  2. Step 2: Convert to fraction form
    1,873,276.20/2,812,506.30 = 1,203,503.40/x
  3. Step 3: Cross multiply
    1,873,276.20x = 2,812,506.30 × 1,203,503.40
  4. Step 4: Simplify right side
    1,873,276.20x = 3,384,860,894,571.42
  5. Step 5: Solve for x
    x = 3,384,860,894,571.42/1,873,276.20
  6. Step 6: Final answer
    x = 1,806,920.35

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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.