Home / 6,520,914.90-9,781,804.35-1,728,537.30

Finding the Fourth Proportional to 6,520,914.90, 9,781,804.35 and 1,728,537.30

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Solution

The fourth proportional to 6,520,914.90, 9,781,804.35 and 1,728,537.30 is: 2,592,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,914.90 : 9,781,804.35 = 1,728,537.30 : x
  2. Step 2: Convert to fraction form
    6,520,914.90/9,781,804.35 = 1,728,537.30/x
  3. Step 3: Cross multiply
    6,520,914.90x = 9,781,804.35 × 1,728,537.30
  4. Step 4: Simplify right side
    6,520,914.90x = 16,908,213,680,277.25
  5. Step 5: Solve for x
    x = 16,908,213,680,277.25/6,520,914.90
  6. Step 6: Final answer
    x = 2,592,920.46

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Double scale
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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.