Home / 2,490,561.40-3,735,842.10-1,640,255.80

Finding the Fourth Proportional to 2,490,561.40, 3,735,842.10 and 1,640,255.80

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Solution

The fourth proportional to 2,490,561.40, 3,735,842.10 and 1,640,255.80 is: 2,460,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,561.40 : 3,735,842.10 = 1,640,255.80 : x
  2. Step 2: Convert to fraction form
    2,490,561.40/3,735,842.10 = 1,640,255.80/x
  3. Step 3: Cross multiply
    2,490,561.40x = 3,735,842.10 × 1,640,255.80
  4. Step 4: Simplify right side
    2,490,561.40x = 6,127,736,672,409.18
  5. Step 5: Solve for x
    x = 6,127,736,672,409.18/2,490,561.40
  6. Step 6: Final answer
    x = 2,460,383.70

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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.