Home / 1,458,010.20-2,187,015.30-1,009,237.80

Finding the Fourth Proportional to 1,458,010.20, 2,187,015.30 and 1,009,237.80

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Solution

The fourth proportional to 1,458,010.20, 2,187,015.30 and 1,009,237.80 is: 1,513,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,010.20 : 2,187,015.30 = 1,009,237.80 : x
  2. Step 2: Convert to fraction form
    1,458,010.20/2,187,015.30 = 1,009,237.80/x
  3. Step 3: Cross multiply
    1,458,010.20x = 2,187,015.30 × 1,009,237.80
  4. Step 4: Simplify right side
    1,458,010.20x = 2,207,218,509,938.34
  5. Step 5: Solve for x
    x = 2,207,218,509,938.34/1,458,010.20
  6. Step 6: Final answer
    x = 1,513,856.70

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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.