Home / 2,790,411.60-4,185,617.40-2,684,123.40

Finding the Fourth Proportional to 2,790,411.60, 4,185,617.40 and 2,684,123.40

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Solution

The fourth proportional to 2,790,411.60, 4,185,617.40 and 2,684,123.40 is: 4,026,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,411.60 : 4,185,617.40 = 2,684,123.40 : x
  2. Step 2: Convert to fraction form
    2,790,411.60/4,185,617.40 = 2,684,123.40/x
  3. Step 3: Cross multiply
    2,790,411.60x = 4,185,617.40 × 2,684,123.40
  4. Step 4: Simplify right side
    2,790,411.60x = 11,234,713,606,787.16
  5. Step 5: Solve for x
    x = 11,234,713,606,787.16/2,790,411.60
  6. Step 6: Final answer
    x = 4,026,185.10

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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.