Home / 6,403,813.09-9,605,009.71-1,611,503.65

Finding the Fourth Proportional to 6,403,813.09, 9,605,009.71 and 1,611,503.65

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Solution

The fourth proportional to 6,403,813.09, 9,605,009.71 and 1,611,503.65 is: 2,417,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,813.09 : 9,605,009.71 = 1,611,503.65 : x
  2. Step 2: Convert to fraction form
    6,403,813.09/9,605,009.71 = 1,611,503.65/x
  3. Step 3: Cross multiply
    6,403,813.09x = 9,605,009.71 × 1,611,503.65
  4. Step 4: Simplify right side
    6,403,813.09x = 15,478,508,205,950.44
  5. Step 5: Solve for x
    x = 15,478,508,205,950.44/6,403,813.09
  6. Step 6: Final answer
    x = 2,417,076.82

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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.