Home / 2,055,178.23-2,838,856.74-1,577,644.35

Finding the Fourth Proportional to 2,055,178.23, 2,838,856.74 and 1,577,644.35

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Solution

The fourth proportional to 2,055,178.23, 2,838,856.74 and 1,577,644.35 is: 2,179,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,178.23 : 2,838,856.74 = 1,577,644.35 : x
  2. Step 2: Convert to fraction form
    2,055,178.23/2,838,856.74 = 1,577,644.35/x
  3. Step 3: Cross multiply
    2,055,178.23x = 2,838,856.74 × 1,577,644.35
  4. Step 4: Simplify right side
    2,055,178.23x = 4,478,706,296,320.42
  5. Step 5: Solve for x
    x = 4,478,706,296,320.42/2,055,178.23
  6. Step 6: Final answer
    x = 2,179,230.12

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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.