Home / 2,568,642.19-3,853,142.80-1,031,637.72

Finding the Fourth Proportional to 2,568,642.19, 3,853,142.80 and 1,031,637.72

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Solution

The fourth proportional to 2,568,642.19, 3,853,142.80 and 1,031,637.72 is: 1,547,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568,642.19 : 3,853,142.80 = 1,031,637.72 : x
  2. Step 2: Convert to fraction form
    2,568,642.19/3,853,142.80 = 1,031,637.72/x
  3. Step 3: Cross multiply
    2,568,642.19x = 3,853,142.80 × 1,031,637.72
  4. Step 4: Simplify right side
    2,568,642.19x = 3,975,047,453,026.42
  5. Step 5: Solve for x
    x = 3,975,047,453,026.42/2,568,642.19
  6. Step 6: Final answer
    x = 1,547,528.68

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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.