Home / 2,148,748.80-3,219,235.20-1,702,406.40

Finding the Fourth Proportional to 2,148,748.80, 3,219,235.20 and 1,702,406.40

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Solution

The fourth proportional to 2,148,748.80, 3,219,235.20 and 1,702,406.40 is: 2,550,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,748.80 : 3,219,235.20 = 1,702,406.40 : x
  2. Step 2: Convert to fraction form
    2,148,748.80/3,219,235.20 = 1,702,406.40/x
  3. Step 3: Cross multiply
    2,148,748.80x = 3,219,235.20 × 1,702,406.40
  4. Step 4: Simplify right side
    2,148,748.80x = 5,480,446,607,585.28
  5. Step 5: Solve for x
    x = 5,480,446,607,585.28/2,148,748.80
  6. Step 6: Final answer
    x = 2,550,529.22

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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.