Home / 1,869,312.76-2,803,968.11-449,368.36

Finding the Fourth Proportional to 1,869,312.76, 2,803,968.11 and 449,368.36

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Solution

The fourth proportional to 1,869,312.76, 2,803,968.11 and 449,368.36 is: 674,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,312.76 : 2,803,968.11 = 449,368.36 : x
  2. Step 2: Convert to fraction form
    1,869,312.76/2,803,968.11 = 449,368.36/x
  3. Step 3: Cross multiply
    1,869,312.76x = 2,803,968.11 × 449,368.36
  4. Step 4: Simplify right side
    1,869,312.76x = 1,260,014,548,836.16
  5. Step 5: Solve for x
    x = 1,260,014,548,836.16/1,869,312.76
  6. Step 6: Final answer
    x = 674,052.29

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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.