Home / 2,688,947.60-4,032,643.80-982,893.20

Finding the Fourth Proportional to 2,688,947.60, 4,032,643.80 and 982,893.20

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Solution

The fourth proportional to 2,688,947.60, 4,032,643.80 and 982,893.20 is: 1,474,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,947.60 : 4,032,643.80 = 982,893.20 : x
  2. Step 2: Convert to fraction form
    2,688,947.60/4,032,643.80 = 982,893.20/x
  3. Step 3: Cross multiply
    2,688,947.60x = 4,032,643.80 × 982,893.20
  4. Step 4: Simplify right side
    2,688,947.60x = 3,963,658,169,042.16
  5. Step 5: Solve for x
    x = 3,963,658,169,042.16/2,688,947.60
  6. Step 6: Final answer
    x = 1,474,055.56

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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.