Home / 1,892,498.81-2,838,788.10-678,154.57

Finding the Fourth Proportional to 1,892,498.81, 2,838,788.10 and 678,154.57

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Solution

The fourth proportional to 1,892,498.81, 2,838,788.10 and 678,154.57 is: 1,017,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,498.81 : 2,838,788.10 = 678,154.57 : x
  2. Step 2: Convert to fraction form
    1,892,498.81/2,838,788.10 = 678,154.57/x
  3. Step 3: Cross multiply
    1,892,498.81x = 2,838,788.10 × 678,154.57
  4. Step 4: Simplify right side
    1,892,498.81x = 1,925,137,116,179.65
  5. Step 5: Solve for x
    x = 1,925,137,116,179.65/1,892,498.81
  6. Step 6: Final answer
    x = 1,017,246.15

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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.