Home / 1,540,606.40-2,310,909.60-1,440,223.10

Finding the Fourth Proportional to 1,540,606.40, 2,310,909.60 and 1,440,223.10

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Solution

The fourth proportional to 1,540,606.40, 2,310,909.60 and 1,440,223.10 is: 2,160,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,606.40 : 2,310,909.60 = 1,440,223.10 : x
  2. Step 2: Convert to fraction form
    1,540,606.40/2,310,909.60 = 1,440,223.10/x
  3. Step 3: Cross multiply
    1,540,606.40x = 2,310,909.60 × 1,440,223.10
  4. Step 4: Simplify right side
    1,540,606.40x = 3,328,225,387,931.76
  5. Step 5: Solve for x
    x = 3,328,225,387,931.76/1,540,606.40
  6. Step 6: Final answer
    x = 2,160,334.65

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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.