Home / 2,087,065.40-3,128,775.60-808,545.20

Finding the Fourth Proportional to 2,087,065.40, 3,128,775.60 and 808,545.20

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Solution

The fourth proportional to 2,087,065.40, 3,128,775.60 and 808,545.20 is: 1,212,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,065.40 : 3,128,775.60 = 808,545.20 : x
  2. Step 2: Convert to fraction form
    2,087,065.40/3,128,775.60 = 808,545.20/x
  3. Step 3: Cross multiply
    2,087,065.40x = 3,128,775.60 × 808,545.20
  4. Step 4: Simplify right side
    2,087,065.40x = 2,529,756,493,257.12
  5. Step 5: Solve for x
    x = 2,529,756,493,257.12/2,087,065.40
  6. Step 6: Final answer
    x = 1,212,111.75

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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.