Home / 2,991,912.31-4,487,868.15-748,050.31

Finding the Fourth Proportional to 2,991,912.31, 4,487,868.15 and 748,050.31

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Solution

The fourth proportional to 2,991,912.31, 4,487,868.15 and 748,050.31 is: 1,122,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,912.31 : 4,487,868.15 = 748,050.31 : x
  2. Step 2: Convert to fraction form
    2,991,912.31/4,487,868.15 = 748,050.31/x
  3. Step 3: Cross multiply
    2,991,912.31x = 4,487,868.15 × 748,050.31
  4. Step 4: Simplify right side
    2,991,912.31x = 3,357,151,160,846.63
  5. Step 5: Solve for x
    x = 3,357,151,160,846.63/2,991,912.31
  6. Step 6: Final answer
    x = 1,122,075.39

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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.