Home / 1,911,632.48-2,638,031.88-1,052,174.24

Finding the Fourth Proportional to 1,911,632.48, 2,638,031.88 and 1,052,174.24

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Solution

The fourth proportional to 1,911,632.48, 2,638,031.88 and 1,052,174.24 is: 1,451,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,632.48 : 2,638,031.88 = 1,052,174.24 : x
  2. Step 2: Convert to fraction form
    1,911,632.48/2,638,031.88 = 1,052,174.24/x
  3. Step 3: Cross multiply
    1,911,632.48x = 2,638,031.88 × 1,052,174.24
  4. Step 4: Simplify right side
    1,911,632.48x = 2,775,669,188,434.77
  5. Step 5: Solve for x
    x = 2,775,669,188,434.77/1,911,632.48
  6. Step 6: Final answer
    x = 1,451,988.92

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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.