Home / 2,545,767.96-3,513,220.06-1,399,847.40

Finding the Fourth Proportional to 2,545,767.96, 3,513,220.06 and 1,399,847.40

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Solution

The fourth proportional to 2,545,767.96, 3,513,220.06 and 1,399,847.40 is: 1,931,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,767.96 : 3,513,220.06 = 1,399,847.40 : x
  2. Step 2: Convert to fraction form
    2,545,767.96/3,513,220.06 = 1,399,847.40/x
  3. Step 3: Cross multiply
    2,545,767.96x = 3,513,220.06 × 1,399,847.40
  4. Step 4: Simplify right side
    2,545,767.96x = 4,917,971,966,618.84
  5. Step 5: Solve for x
    x = 4,917,971,966,618.84/2,545,767.96
  6. Step 6: Final answer
    x = 1,931,822.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.