Home / 5,280,276.15-7,920,347.33-1,685,997.51

Finding the Fourth Proportional to 5,280,276.15, 7,920,347.33 and 1,685,997.51

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Solution

The fourth proportional to 5,280,276.15, 7,920,347.33 and 1,685,997.51 is: 2,528,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,276.15 : 7,920,347.33 = 1,685,997.51 : x
  2. Step 2: Convert to fraction form
    5,280,276.15/7,920,347.33 = 1,685,997.51/x
  3. Step 3: Cross multiply
    5,280,276.15x = 7,920,347.33 × 1,685,997.51
  4. Step 4: Simplify right side
    5,280,276.15x = 13,353,685,868,285.16
  5. Step 5: Solve for x
    x = 13,353,685,868,285.16/5,280,276.15
  6. Step 6: Final answer
    x = 2,528,974.90

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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.