Home / 5,181,644.10-7,150,648.02-2,858,681.05

Finding the Fourth Proportional to 5,181,644.10, 7,150,648.02 and 2,858,681.05

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Solution

The fourth proportional to 5,181,644.10, 7,150,648.02 and 2,858,681.05 is: 3,944,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,644.10 : 7,150,648.02 = 2,858,681.05 : x
  2. Step 2: Convert to fraction form
    5,181,644.10/7,150,648.02 = 2,858,681.05/x
  3. Step 3: Cross multiply
    5,181,644.10x = 7,150,648.02 × 2,858,681.05
  4. Step 4: Simplify right side
    5,181,644.10x = 20,441,421,989,994.02
  5. Step 5: Solve for x
    x = 20,441,421,989,994.02/5,181,644.10
  6. Step 6: Final answer
    x = 3,944,968.35

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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.