Home / 5,382,587.71-8,071,223.10-1,968,300.46

Finding the Fourth Proportional to 5,382,587.71, 8,071,223.10 and 1,968,300.46

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Solution

The fourth proportional to 5,382,587.71, 8,071,223.10 and 1,968,300.46 is: 2,951,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382,587.71 : 8,071,223.10 = 1,968,300.46 : x
  2. Step 2: Convert to fraction form
    5,382,587.71/8,071,223.10 = 1,968,300.46/x
  3. Step 3: Cross multiply
    5,382,587.71x = 8,071,223.10 × 1,968,300.46
  4. Step 4: Simplify right side
    5,382,587.71x = 15,886,592,140,492.62
  5. Step 5: Solve for x
    x = 15,886,592,140,492.62/5,382,587.71
  6. Step 6: Final answer
    x = 2,951,478.54

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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.