Home / 3,130,836.36-4,318,644.49-2,069,975.17

Finding the Fourth Proportional to 3,130,836.36, 4,318,644.49 and 2,069,975.17

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Solution

The fourth proportional to 3,130,836.36, 4,318,644.49 and 2,069,975.17 is: 2,855,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,836.36 : 4,318,644.49 = 2,069,975.17 : x
  2. Step 2: Convert to fraction form
    3,130,836.36/4,318,644.49 = 2,069,975.17/x
  3. Step 3: Cross multiply
    3,130,836.36x = 4,318,644.49 × 2,069,975.17
  4. Step 4: Simplify right side
    3,130,836.36x = 8,939,486,862,357.31
  5. Step 5: Solve for x
    x = 8,939,486,862,357.31/3,130,836.36
  6. Step 6: Final answer
    x = 2,855,303.13

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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.