Home / 3,439,638.02-5,159,573.67-915,295.70

Finding the Fourth Proportional to 3,439,638.02, 5,159,573.67 and 915,295.70

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Solution

The fourth proportional to 3,439,638.02, 5,159,573.67 and 915,295.70 is: 1,372,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,638.02 : 5,159,573.67 = 915,295.70 : x
  2. Step 2: Convert to fraction form
    3,439,638.02/5,159,573.67 = 915,295.70/x
  3. Step 3: Cross multiply
    3,439,638.02x = 5,159,573.67 × 915,295.70
  4. Step 4: Simplify right side
    3,439,638.02x = 4,722,535,610,315.51
  5. Step 5: Solve for x
    x = 4,722,535,610,315.51/3,439,638.02
  6. Step 6: Final answer
    x = 1,372,974.59

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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.