Home / 1,898,889.60-2,847,312.72-761,080.80

Finding the Fourth Proportional to 1,898,889.60, 2,847,312.72 and 761,080.80

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Solution

The fourth proportional to 1,898,889.60, 2,847,312.72 and 761,080.80 is: 1,141,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,889.60 : 2,847,312.72 = 761,080.80 : x
  2. Step 2: Convert to fraction form
    1,898,889.60/2,847,312.72 = 761,080.80/x
  3. Step 3: Cross multiply
    1,898,889.60x = 2,847,312.72 × 761,080.80
  4. Step 4: Simplify right side
    1,898,889.60x = 2,167,035,042,787.78
  5. Step 5: Solve for x
    x = 2,167,035,042,787.78/1,898,889.60
  6. Step 6: Final answer
    x = 1,141,211.71

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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.