Home / 5,674,281.25-7,821,360.69-3,838,069.90

Finding the Fourth Proportional to 5,674,281.25, 7,821,360.69 and 3,838,069.90

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Solution

The fourth proportional to 5,674,281.25, 7,821,360.69 and 3,838,069.90 is: 5,290,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674,281.25 : 7,821,360.69 = 3,838,069.90 : x
  2. Step 2: Convert to fraction form
    5,674,281.25/7,821,360.69 = 3,838,069.90/x
  3. Step 3: Cross multiply
    5,674,281.25x = 7,821,360.69 × 3,838,069.90
  4. Step 4: Simplify right side
    5,674,281.25x = 30,018,929,041,332.23
  5. Step 5: Solve for x
    x = 30,018,929,041,332.23/5,674,281.25
  6. Step 6: Final answer
    x = 5,290,349.16

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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.