Home / 2,596,938.40-3,889,502.70-1,640,344.60

Finding the Fourth Proportional to 2,596,938.40, 3,889,502.70 and 1,640,344.60

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Solution

The fourth proportional to 2,596,938.40, 3,889,502.70 and 1,640,344.60 is: 2,456,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596,938.40 : 3,889,502.70 = 1,640,344.60 : x
  2. Step 2: Convert to fraction form
    2,596,938.40/3,889,502.70 = 1,640,344.60/x
  3. Step 3: Cross multiply
    2,596,938.40x = 3,889,502.70 × 1,640,344.60
  4. Step 4: Simplify right side
    2,596,938.40x = 6,380,124,750,630.42
  5. Step 5: Solve for x
    x = 6,380,124,750,630.42/2,596,938.40
  6. Step 6: Final answer
    x = 2,456,787.10

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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.