Home / 2,112,000.40-3,168,000.60-1,046,630.80

Finding the Fourth Proportional to 2,112,000.40, 3,168,000.60 and 1,046,630.80

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Solution

The fourth proportional to 2,112,000.40, 3,168,000.60 and 1,046,630.80 is: 1,569,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,000.40 : 3,168,000.60 = 1,046,630.80 : x
  2. Step 2: Convert to fraction form
    2,112,000.40/3,168,000.60 = 1,046,630.80/x
  3. Step 3: Cross multiply
    2,112,000.40x = 3,168,000.60 × 1,046,630.80
  4. Step 4: Simplify right side
    2,112,000.40x = 3,315,727,002,378.48
  5. Step 5: Solve for x
    x = 3,315,727,002,378.48/2,112,000.40
  6. Step 6: Final answer
    x = 1,569,946.20

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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.