Home / 1,938,449.10-2,905,053.35-1,399,626.98

Finding the Fourth Proportional to 1,938,449.10, 2,905,053.35 and 1,399,626.98

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Solution

The fourth proportional to 1,938,449.10, 2,905,053.35 and 1,399,626.98 is: 2,097,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,449.10 : 2,905,053.35 = 1,399,626.98 : x
  2. Step 2: Convert to fraction form
    1,938,449.10/2,905,053.35 = 1,399,626.98/x
  3. Step 3: Cross multiply
    1,938,449.10x = 2,905,053.35 × 1,399,626.98
  4. Step 4: Simplify right side
    1,938,449.10x = 4,065,991,025,475.98
  5. Step 5: Solve for x
    x = 4,065,991,025,475.98/1,938,449.10
  6. Step 6: Final answer
    x = 2,097,548.51

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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.