Home / 1,980,987.06-2,972,661.04-718,913.10

Finding the Fourth Proportional to 1,980,987.06, 2,972,661.04 and 718,913.10

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Solution

The fourth proportional to 1,980,987.06, 2,972,661.04 and 718,913.10 is: 1,078,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,987.06 : 2,972,661.04 = 718,913.10 : x
  2. Step 2: Convert to fraction form
    1,980,987.06/2,972,661.04 = 718,913.10/x
  3. Step 3: Cross multiply
    1,980,987.06x = 2,972,661.04 × 718,913.10
  4. Step 4: Simplify right side
    1,980,987.06x = 2,137,084,963,515.62
  5. Step 5: Solve for x
    x = 2,137,084,963,515.62/1,980,987.06
  6. Step 6: Final answer
    x = 1,078,798.04

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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.