Home / 1,869,913.50-2,804,870.10-449,969.72

Finding the Fourth Proportional to 1,869,913.50, 2,804,870.10 and 449,969.72

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Solution

The fourth proportional to 1,869,913.50, 2,804,870.10 and 449,969.72 is: 674,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,913.50 : 2,804,870.10 = 449,969.72 : x
  2. Step 2: Convert to fraction form
    1,869,913.50/2,804,870.10 = 449,969.72/x
  3. Step 3: Cross multiply
    1,869,913.50x = 2,804,870.10 × 449,969.72
  4. Step 4: Simplify right side
    1,869,913.50x = 1,262,106,613,533.37
  5. Step 5: Solve for x
    x = 1,262,106,613,533.37/1,869,913.50
  6. Step 6: Final answer
    x = 674,954.54

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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.