Home / 3,896,865.63-5,377,505.40-2,130,731.55

Finding the Fourth Proportional to 3,896,865.63, 5,377,505.40 and 2,130,731.55

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Solution

The fourth proportional to 3,896,865.63, 5,377,505.40 and 2,130,731.55 is: 2,940,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,865.63 : 5,377,505.40 = 2,130,731.55 : x
  2. Step 2: Convert to fraction form
    3,896,865.63/5,377,505.40 = 2,130,731.55/x
  3. Step 3: Cross multiply
    3,896,865.63x = 5,377,505.40 × 2,130,731.55
  4. Step 4: Simplify right side
    3,896,865.63x = 11,458,020,416,075.37
  5. Step 5: Solve for x
    x = 11,458,020,416,075.37/3,896,865.63
  6. Step 6: Final answer
    x = 2,940,317.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.