Home / 6,178,802.40-9,268,894.80-1,918,936.80

Finding the Fourth Proportional to 6,178,802.40, 9,268,894.80 and 1,918,936.80

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Solution

The fourth proportional to 6,178,802.40, 9,268,894.80 and 1,918,936.80 is: 2,878,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,802.40 : 9,268,894.80 = 1,918,936.80 : x
  2. Step 2: Convert to fraction form
    6,178,802.40/9,268,894.80 = 1,918,936.80/x
  3. Step 3: Cross multiply
    6,178,802.40x = 9,268,894.80 × 1,918,936.80
  4. Step 4: Simplify right side
    6,178,802.40x = 17,786,423,327,048.64
  5. Step 5: Solve for x
    x = 17,786,423,327,048.64/6,178,802.40
  6. Step 6: Final answer
    x = 2,878,619.86

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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.