Home / 5,190,071.96-7,785,320.03-1,780,702.98

Finding the Fourth Proportional to 5,190,071.96, 7,785,320.03 and 1,780,702.98

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Solution

The fourth proportional to 5,190,071.96, 7,785,320.03 and 1,780,702.98 is: 2,671,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,071.96 : 7,785,320.03 = 1,780,702.98 : x
  2. Step 2: Convert to fraction form
    5,190,071.96/7,785,320.03 = 1,780,702.98/x
  3. Step 3: Cross multiply
    5,190,071.96x = 7,785,320.03 × 1,780,702.98
  4. Step 4: Simplify right side
    5,190,071.96x = 13,863,342,568,771.18
  5. Step 5: Solve for x
    x = 13,863,342,568,771.18/5,190,071.96
  6. Step 6: Final answer
    x = 2,671,127.24

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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.