Home / 3,291,853.12-4,937,972.28-1,270,107.76

Finding the Fourth Proportional to 3,291,853.12, 4,937,972.28 and 1,270,107.76

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Solution

The fourth proportional to 3,291,853.12, 4,937,972.28 and 1,270,107.76 is: 1,905,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,853.12 : 4,937,972.28 = 1,270,107.76 : x
  2. Step 2: Convert to fraction form
    3,291,853.12/4,937,972.28 = 1,270,107.76/x
  3. Step 3: Cross multiply
    3,291,853.12x = 4,937,972.28 × 1,270,107.76
  4. Step 4: Simplify right side
    3,291,853.12x = 6,271,756,911,492.89
  5. Step 5: Solve for x
    x = 6,271,756,911,492.89/3,291,853.12
  6. Step 6: Final answer
    x = 1,905,235.95

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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.