Home / 1,640,203.70-2,460,305.55-1,623,614.90

Finding the Fourth Proportional to 1,640,203.70, 2,460,305.55 and 1,623,614.90

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Solution

The fourth proportional to 1,640,203.70, 2,460,305.55 and 1,623,614.90 is: 2,435,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,203.70 : 2,460,305.55 = 1,623,614.90 : x
  2. Step 2: Convert to fraction form
    1,640,203.70/2,460,305.55 = 1,623,614.90/x
  3. Step 3: Cross multiply
    1,640,203.70x = 2,460,305.55 × 1,623,614.90
  4. Step 4: Simplify right side
    1,640,203.70x = 3,994,588,749,532.69
  5. Step 5: Solve for x
    x = 3,994,588,749,532.69/1,640,203.70
  6. Step 6: Final answer
    x = 2,435,422.35

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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.