Home / 5,343,857.80-8,015,009.10-1,556,945.80

Finding the Fourth Proportional to 5,343,857.80, 8,015,009.10 and 1,556,945.80

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Solution

The fourth proportional to 5,343,857.80, 8,015,009.10 and 1,556,945.80 is: 2,335,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,857.80 : 8,015,009.10 = 1,556,945.80 : x
  2. Step 2: Convert to fraction form
    5,343,857.80/8,015,009.10 = 1,556,945.80/x
  3. Step 3: Cross multiply
    5,343,857.80x = 8,015,009.10 × 1,556,945.80
  4. Step 4: Simplify right side
    5,343,857.80x = 12,478,934,755,206.78
  5. Step 5: Solve for x
    x = 12,478,934,755,206.78/5,343,857.80
  6. Step 6: Final answer
    x = 2,335,192.14

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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.