Home / 1,869,986.92-2,810,045.30-1,017,688.72

Finding the Fourth Proportional to 1,869,986.92, 2,810,045.30 and 1,017,688.72

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Solution

The fourth proportional to 1,869,986.92, 2,810,045.30 and 1,017,688.72 is: 1,529,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,986.92 : 2,810,045.30 = 1,017,688.72 : x
  2. Step 2: Convert to fraction form
    1,869,986.92/2,810,045.30 = 1,017,688.72/x
  3. Step 3: Cross multiply
    1,869,986.92x = 2,810,045.30 × 1,017,688.72
  4. Step 4: Simplify right side
    1,869,986.92x = 2,859,751,385,360.35
  5. Step 5: Solve for x
    x = 2,859,751,385,360.35/1,869,986.92
  6. Step 6: Final answer
    x = 1,529,289.52

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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.