Home / 1,887,965.20-2,831,947.80-540,208.23

Finding the Fourth Proportional to 1,887,965.20, 2,831,947.80 and 540,208.23

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Solution

The fourth proportional to 1,887,965.20, 2,831,947.80 and 540,208.23 is: 810,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,965.20 : 2,831,947.80 = 540,208.23 : x
  2. Step 2: Convert to fraction form
    1,887,965.20/2,831,947.80 = 540,208.23/x
  3. Step 3: Cross multiply
    1,887,965.20x = 2,831,947.80 × 540,208.23
  4. Step 4: Simplify right side
    1,887,965.20x = 1,529,841,508,490.39
  5. Step 5: Solve for x
    x = 1,529,841,508,490.39/1,887,965.20
  6. Step 6: Final answer
    x = 810,312.35

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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.