Home / 2,628,672.70-3,943,009.05-1,490,995.30

Finding the Fourth Proportional to 2,628,672.70, 3,943,009.05 and 1,490,995.30

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Solution

The fourth proportional to 2,628,672.70, 3,943,009.05 and 1,490,995.30 is: 2,236,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,672.70 : 3,943,009.05 = 1,490,995.30 : x
  2. Step 2: Convert to fraction form
    2,628,672.70/3,943,009.05 = 1,490,995.30/x
  3. Step 3: Cross multiply
    2,628,672.70x = 3,943,009.05 × 1,490,995.30
  4. Step 4: Simplify right side
    2,628,672.70x = 5,879,007,961,407.47
  5. Step 5: Solve for x
    x = 5,879,007,961,407.47/2,628,672.70
  6. Step 6: Final answer
    x = 2,236,492.95

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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.