Home / 1,820,549.78-2,716,981.53-1,618,773.51

Finding the Fourth Proportional to 1,820,549.78, 2,716,981.53 and 1,618,773.51

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Solution

The fourth proportional to 1,820,549.78, 2,716,981.53 and 1,618,773.51 is: 2,415,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,549.78 : 2,716,981.53 = 1,618,773.51 : x
  2. Step 2: Convert to fraction form
    1,820,549.78/2,716,981.53 = 1,618,773.51/x
  3. Step 3: Cross multiply
    1,820,549.78x = 2,716,981.53 × 1,618,773.51
  4. Step 4: Simplify right side
    1,820,549.78x = 4,398,177,727,923.27
  5. Step 5: Solve for x
    x = 4,398,177,727,923.27/1,820,549.78
  6. Step 6: Final answer
    x = 2,415,851.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.