Home / 2,600,999.80-3,901,499.70-1,402,305.10

Finding the Fourth Proportional to 2,600,999.80, 3,901,499.70 and 1,402,305.10

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Solution

The fourth proportional to 2,600,999.80, 3,901,499.70 and 1,402,305.10 is: 2,103,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,999.80 : 3,901,499.70 = 1,402,305.10 : x
  2. Step 2: Convert to fraction form
    2,600,999.80/3,901,499.70 = 1,402,305.10/x
  3. Step 3: Cross multiply
    2,600,999.80x = 3,901,499.70 × 1,402,305.10
  4. Step 4: Simplify right side
    2,600,999.80x = 5,471,092,926,958.47
  5. Step 5: Solve for x
    x = 5,471,092,926,958.47/2,600,999.80
  6. Step 6: Final answer
    x = 2,103,457.65

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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.