Home / 2,107,678.72-3,161,526.16-510,239.20

Finding the Fourth Proportional to 2,107,678.72, 3,161,526.16 and 510,239.20

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Solution

The fourth proportional to 2,107,678.72, 3,161,526.16 and 510,239.20 is: 765,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,678.72 : 3,161,526.16 = 510,239.20 : x
  2. Step 2: Convert to fraction form
    2,107,678.72/3,161,526.16 = 510,239.20/x
  3. Step 3: Cross multiply
    2,107,678.72x = 3,161,526.16 × 510,239.20
  4. Step 4: Simplify right side
    2,107,678.72x = 1,613,134,578,657.47
  5. Step 5: Solve for x
    x = 1,613,134,578,657.47/2,107,678.72
  6. Step 6: Final answer
    x = 765,360.76

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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.