Home / 2,048,938.97-2,827,905.86-1,222,065.51

Finding the Fourth Proportional to 2,048,938.97, 2,827,905.86 and 1,222,065.51

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Solution

The fourth proportional to 2,048,938.97, 2,827,905.86 and 1,222,065.51 is: 1,686,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,938.97 : 2,827,905.86 = 1,222,065.51 : x
  2. Step 2: Convert to fraction form
    2,048,938.97/2,827,905.86 = 1,222,065.51/x
  3. Step 3: Cross multiply
    2,048,938.97x = 2,827,905.86 × 1,222,065.51
  4. Step 4: Simplify right side
    2,048,938.97x = 3,455,886,210,922.56
  5. Step 5: Solve for x
    x = 3,455,886,210,922.56/2,048,938.97
  6. Step 6: Final answer
    x = 1,686,671.13

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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.