Home / 3,320,412.40-4,581,663.47-1,870,015.87

Finding the Fourth Proportional to 3,320,412.40, 4,581,663.47 and 1,870,015.87

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Solution

The fourth proportional to 3,320,412.40, 4,581,663.47 and 1,870,015.87 is: 2,580,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,412.40 : 4,581,663.47 = 1,870,015.87 : x
  2. Step 2: Convert to fraction form
    3,320,412.40/4,581,663.47 = 1,870,015.87/x
  3. Step 3: Cross multiply
    3,320,412.40x = 4,581,663.47 × 1,870,015.87
  4. Step 4: Simplify right side
    3,320,412.40x = 8,567,783,382,776.39
  5. Step 5: Solve for x
    x = 8,567,783,382,776.39/3,320,412.40
  6. Step 6: Final answer
    x = 2,580,337.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.