Home / 1,913,992.30-2,868,280.16-1,061,438.92

Finding the Fourth Proportional to 1,913,992.30, 2,868,280.16 and 1,061,438.92

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Solution

The fourth proportional to 1,913,992.30, 2,868,280.16 and 1,061,438.92 is: 1,590,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,992.30 : 2,868,280.16 = 1,061,438.92 : x
  2. Step 2: Convert to fraction form
    1,913,992.30/2,868,280.16 = 1,061,438.92/x
  3. Step 3: Cross multiply
    1,913,992.30x = 2,868,280.16 × 1,061,438.92
  4. Step 4: Simplify right side
    1,913,992.30x = 3,044,504,180,946.43
  5. Step 5: Solve for x
    x = 3,044,504,180,946.43/1,913,992.30
  6. Step 6: Final answer
    x = 1,590,656.45

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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.