Home / 5,343,667.60-8,020,512.60-2,821,133.20

Finding the Fourth Proportional to 5,343,667.60, 8,020,512.60 and 2,821,133.20

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Solution

The fourth proportional to 5,343,667.60, 8,020,512.60 and 2,821,133.20 is: 4,234,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,667.60 : 8,020,512.60 = 2,821,133.20 : x
  2. Step 2: Convert to fraction form
    5,343,667.60/8,020,512.60 = 2,821,133.20/x
  3. Step 3: Cross multiply
    5,343,667.60x = 8,020,512.60 × 2,821,133.20
  4. Step 4: Simplify right side
    5,343,667.60x = 22,626,934,376,878.32
  5. Step 5: Solve for x
    x = 22,626,934,376,878.32/5,343,667.60
  6. Step 6: Final answer
    x = 4,234,345.41

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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.