Home / 5,190,068.58-7,785,314.96-1,780,699.61

Finding the Fourth Proportional to 5,190,068.58, 7,785,314.96 and 1,780,699.61

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Solution

The fourth proportional to 5,190,068.58, 7,785,314.96 and 1,780,699.61 is: 2,671,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,068.58 : 7,785,314.96 = 1,780,699.61 : x
  2. Step 2: Convert to fraction form
    5,190,068.58/7,785,314.96 = 1,780,699.61/x
  3. Step 3: Cross multiply
    5,190,068.58x = 7,785,314.96 × 1,780,699.61
  4. Step 4: Simplify right side
    5,190,068.58x = 13,863,307,265,169.09
  5. Step 5: Solve for x
    x = 13,863,307,265,169.09/5,190,068.58
  6. Step 6: Final answer
    x = 2,671,122.17

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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.