Home / 1,817,479.40-2,726,219.10-1,640,332.40

Finding the Fourth Proportional to 1,817,479.40, 2,726,219.10 and 1,640,332.40

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Solution

The fourth proportional to 1,817,479.40, 2,726,219.10 and 1,640,332.40 is: 2,460,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,479.40 : 2,726,219.10 = 1,640,332.40 : x
  2. Step 2: Convert to fraction form
    1,817,479.40/2,726,219.10 = 1,640,332.40/x
  3. Step 3: Cross multiply
    1,817,479.40x = 2,726,219.10 × 1,640,332.40
  4. Step 4: Simplify right side
    1,817,479.40x = 4,471,905,519,228.84
  5. Step 5: Solve for x
    x = 4,471,905,519,228.84/1,817,479.40
  6. Step 6: Final answer
    x = 2,460,498.60

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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.