Home / 1,643,962.26-2,465,943.81-1,075,821.78

Finding the Fourth Proportional to 1,643,962.26, 2,465,943.81 and 1,075,821.78

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Solution

The fourth proportional to 1,643,962.26, 2,465,943.81 and 1,075,821.78 is: 1,613,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,962.26 : 2,465,943.81 = 1,075,821.78 : x
  2. Step 2: Convert to fraction form
    1,643,962.26/2,465,943.81 = 1,075,821.78/x
  3. Step 3: Cross multiply
    1,643,962.26x = 2,465,943.81 × 1,075,821.78
  4. Step 4: Simplify right side
    1,643,962.26x = 2,652,916,059,054.18
  5. Step 5: Solve for x
    x = 2,652,916,059,054.18/1,643,962.26
  6. Step 6: Final answer
    x = 1,613,732.94

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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.