Home / 2,138,146.40-2,948,277.48-1,362,548.60

Finding the Fourth Proportional to 2,138,146.40, 2,948,277.48 and 1,362,548.60

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Solution

The fourth proportional to 2,138,146.40, 2,948,277.48 and 1,362,548.60 is: 1,878,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,146.40 : 2,948,277.48 = 1,362,548.60 : x
  2. Step 2: Convert to fraction form
    2,138,146.40/2,948,277.48 = 1,362,548.60/x
  3. Step 3: Cross multiply
    2,138,146.40x = 2,948,277.48 × 1,362,548.60
  4. Step 4: Simplify right side
    2,138,146.40x = 4,017,171,352,785.53
  5. Step 5: Solve for x
    x = 4,017,171,352,785.53/2,138,146.40
  6. Step 6: Final answer
    x = 1,878,810.24

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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.