Home / 6,615,569.78-9,917,055.03-2,124,696.50

Finding the Fourth Proportional to 6,615,569.78, 9,917,055.03 and 2,124,696.50

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Solution

The fourth proportional to 6,615,569.78, 9,917,055.03 and 2,124,696.50 is: 3,185,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615,569.78 : 9,917,055.03 = 2,124,696.50 : x
  2. Step 2: Convert to fraction form
    6,615,569.78/9,917,055.03 = 2,124,696.50/x
  3. Step 3: Cross multiply
    6,615,569.78x = 9,917,055.03 × 2,124,696.50
  4. Step 4: Simplify right side
    6,615,569.78x = 21,070,732,112,548.39
  5. Step 5: Solve for x
    x = 21,070,732,112,548.39/6,615,569.78
  6. Step 6: Final answer
    x = 3,185,021.52

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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.