Home / 1,569,787.40-2,351,181.90-1,289,851.40

Finding the Fourth Proportional to 1,569,787.40, 2,351,181.90 and 1,289,851.40

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Solution

The fourth proportional to 1,569,787.40, 2,351,181.90 and 1,289,851.40 is: 1,931,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,787.40 : 2,351,181.90 = 1,289,851.40 : x
  2. Step 2: Convert to fraction form
    1,569,787.40/2,351,181.90 = 1,289,851.40/x
  3. Step 3: Cross multiply
    1,569,787.40x = 2,351,181.90 × 1,289,851.40
  4. Step 4: Simplify right side
    1,569,787.40x = 3,032,675,265,369.66
  5. Step 5: Solve for x
    x = 3,032,675,265,369.66/1,569,787.40
  6. Step 6: Final answer
    x = 1,931,901.90

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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.