Home / 1,640,342.80-2,460,514.20-1,577,357.20

Finding the Fourth Proportional to 1,640,342.80, 2,460,514.20 and 1,577,357.20

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Solution

The fourth proportional to 1,640,342.80, 2,460,514.20 and 1,577,357.20 is: 2,366,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,342.80 : 2,460,514.20 = 1,577,357.20 : x
  2. Step 2: Convert to fraction form
    1,640,342.80/2,460,514.20 = 1,577,357.20/x
  3. Step 3: Cross multiply
    1,640,342.80x = 2,460,514.20 × 1,577,357.20
  4. Step 4: Simplify right side
    1,640,342.80x = 3,881,109,789,072.24
  5. Step 5: Solve for x
    x = 3,881,109,789,072.24/1,640,342.80
  6. Step 6: Final answer
    x = 2,366,035.80

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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.