Home / 5,128,089.12-7,075,977.48-2,952,211.86

Finding the Fourth Proportional to 5,128,089.12, 7,075,977.48 and 2,952,211.86

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Solution

The fourth proportional to 5,128,089.12, 7,075,977.48 and 2,952,211.86 is: 4,073,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,089.12 : 7,075,977.48 = 2,952,211.86 : x
  2. Step 2: Convert to fraction form
    5,128,089.12/7,075,977.48 = 2,952,211.86/x
  3. Step 3: Cross multiply
    5,128,089.12x = 7,075,977.48 × 2,952,211.86
  4. Step 4: Simplify right side
    5,128,089.12x = 20,889,784,637,548.91
  5. Step 5: Solve for x
    x = 20,889,784,637,548.91/5,128,089.12
  6. Step 6: Final answer
    x = 4,073,600.16

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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.