Home / 1,640,288.60-2,460,432.90-1,493,322.20

Finding the Fourth Proportional to 1,640,288.60, 2,460,432.90 and 1,493,322.20

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Solution

The fourth proportional to 1,640,288.60, 2,460,432.90 and 1,493,322.20 is: 2,239,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,288.60 : 2,460,432.90 = 1,493,322.20 : x
  2. Step 2: Convert to fraction form
    1,640,288.60/2,460,432.90 = 1,493,322.20/x
  3. Step 3: Cross multiply
    1,640,288.60x = 2,460,432.90 × 1,493,322.20
  4. Step 4: Simplify right side
    1,640,288.60x = 3,674,219,071,180.38
  5. Step 5: Solve for x
    x = 3,674,219,071,180.38/1,640,288.60
  6. Step 6: Final answer
    x = 2,239,983.30

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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.