Home / 5,389,746-7,437,849.48-2,975,315.28

Finding the Fourth Proportional to 5,389,746, 7,437,849.48 and 2,975,315.28

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Solution

The fourth proportional to 5,389,746, 7,437,849.48 and 2,975,315.28 is: 4,105,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,746 : 7,437,849.48 = 2,975,315.28 : x
  2. Step 2: Convert to fraction form
    5,389,746/7,437,849.48 = 2,975,315.28/x
  3. Step 3: Cross multiply
    5,389,746x = 7,437,849.48 × 2,975,315.28
  4. Step 4: Simplify right side
    5,389,746x = 22,129,947,208,184.05
  5. Step 5: Solve for x
    x = 22,129,947,208,184.05/5,389,746
  6. Step 6: Final answer
    x = 4,105,935.09

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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.