Home / 1,661,521.30-2,492,281.95-1,395,800.80

Finding the Fourth Proportional to 1,661,521.30, 2,492,281.95 and 1,395,800.80

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Solution

The fourth proportional to 1,661,521.30, 2,492,281.95 and 1,395,800.80 is: 2,093,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,521.30 : 2,492,281.95 = 1,395,800.80 : x
  2. Step 2: Convert to fraction form
    1,661,521.30/2,492,281.95 = 1,395,800.80/x
  3. Step 3: Cross multiply
    1,661,521.30x = 2,492,281.95 × 1,395,800.80
  4. Step 4: Simplify right side
    1,661,521.30x = 3,478,729,139,635.56
  5. Step 5: Solve for x
    x = 3,478,729,139,635.56/1,661,521.30
  6. Step 6: Final answer
    x = 2,093,701.20

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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.