Home / 3,143,312.65-4,337,810.54-1,902,906.86

Finding the Fourth Proportional to 3,143,312.65, 4,337,810.54 and 1,902,906.86

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Solution

The fourth proportional to 3,143,312.65, 4,337,810.54 and 1,902,906.86 is: 2,626,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,312.65 : 4,337,810.54 = 1,902,906.86 : x
  2. Step 2: Convert to fraction form
    3,143,312.65/4,337,810.54 = 1,902,906.86/x
  3. Step 3: Cross multiply
    3,143,312.65x = 4,337,810.54 × 1,902,906.86
  4. Step 4: Simplify right side
    3,143,312.65x = 8,254,449,409,878.62
  5. Step 5: Solve for x
    x = 8,254,449,409,878.62/3,143,312.65
  6. Step 6: Final answer
    x = 2,626,035.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.