Home / 6,970,979.36-10,456,477.20-2,178,693.74

Finding the Fourth Proportional to 6,970,979.36, 10,456,477.20 and 2,178,693.74

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Solution

The fourth proportional to 6,970,979.36, 10,456,477.20 and 2,178,693.74 is: 3,268,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970,979.36 : 10,456,477.20 = 2,178,693.74 : x
  2. Step 2: Convert to fraction form
    6,970,979.36/10,456,477.20 = 2,178,693.74/x
  3. Step 3: Cross multiply
    6,970,979.36x = 10,456,477.20 × 2,178,693.74
  4. Step 4: Simplify right side
    6,970,979.36x = 22,781,461,365,810.34
  5. Step 5: Solve for x
    x = 22,781,461,365,810.34/6,970,979.36
  6. Step 6: Final answer
    x = 3,268,043.16

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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.