Home / 1,821,133.16-2,513,097.86-1,005,319.32

Finding the Fourth Proportional to 1,821,133.16, 2,513,097.86 and 1,005,319.32

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Solution

The fourth proportional to 1,821,133.16, 2,513,097.86 and 1,005,319.32 is: 1,387,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,133.16 : 2,513,097.86 = 1,005,319.32 : x
  2. Step 2: Convert to fraction form
    1,821,133.16/2,513,097.86 = 1,005,319.32/x
  3. Step 3: Cross multiply
    1,821,133.16x = 2,513,097.86 × 1,005,319.32
  4. Step 4: Simplify right side
    1,821,133.16x = 2,526,465,831,708.65
  5. Step 5: Solve for x
    x = 2,526,465,831,708.65/1,821,133.16
  6. Step 6: Final answer
    x = 1,387,304.28

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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.