Home / 1,911,605.61-2,637,995.13-1,052,147.28

Finding the Fourth Proportional to 1,911,605.61, 2,637,995.13 and 1,052,147.28

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Solution

The fourth proportional to 1,911,605.61, 2,637,995.13 and 1,052,147.28 is: 1,451,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,605.61 : 2,637,995.13 = 1,052,147.28 : x
  2. Step 2: Convert to fraction form
    1,911,605.61/2,637,995.13 = 1,052,147.28/x
  3. Step 3: Cross multiply
    1,911,605.61x = 2,637,995.13 × 1,052,147.28
  4. Step 4: Simplify right side
    1,911,605.61x = 2,775,559,400,682.75
  5. Step 5: Solve for x
    x = 2,775,559,400,682.75/1,911,605.61
  6. Step 6: Final answer
    x = 1,451,951.90

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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.