Home / 1,817,493.40-2,726,240.10-1,640,346.40

Finding the Fourth Proportional to 1,817,493.40, 2,726,240.10 and 1,640,346.40

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Solution

The fourth proportional to 1,817,493.40, 2,726,240.10 and 1,640,346.40 is: 2,460,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,493.40 : 2,726,240.10 = 1,640,346.40 : x
  2. Step 2: Convert to fraction form
    1,817,493.40/2,726,240.10 = 1,640,346.40/x
  3. Step 3: Cross multiply
    1,817,493.40x = 2,726,240.10 × 1,640,346.40
  4. Step 4: Simplify right side
    1,817,493.40x = 4,471,978,133,570.64
  5. Step 5: Solve for x
    x = 4,471,978,133,570.64/1,817,493.40
  6. Step 6: Final answer
    x = 2,460,519.60

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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.