Home / 1,977,303.96-2,728,643.34-1,117,864.48

Finding the Fourth Proportional to 1,977,303.96, 2,728,643.34 and 1,117,864.48

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Solution

The fourth proportional to 1,977,303.96, 2,728,643.34 and 1,117,864.48 is: 1,542,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,303.96 : 2,728,643.34 = 1,117,864.48 : x
  2. Step 2: Convert to fraction form
    1,977,303.96/2,728,643.34 = 1,117,864.48/x
  3. Step 3: Cross multiply
    1,977,303.96x = 2,728,643.34 × 1,117,864.48
  4. Step 4: Simplify right side
    1,977,303.96x = 3,050,253,468,374.56
  5. Step 5: Solve for x
    x = 3,050,253,468,374.56/1,977,303.96
  6. Step 6: Final answer
    x = 1,542,632.56

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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.