Home / 6,782,809.12-9,360,274.44-3,727,220.20

Finding the Fourth Proportional to 6,782,809.12, 9,360,274.44 and 3,727,220.20

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Solution

The fourth proportional to 6,782,809.12, 9,360,274.44 and 3,727,220.20 is: 5,143,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782,809.12 : 9,360,274.44 = 3,727,220.20 : x
  2. Step 2: Convert to fraction form
    6,782,809.12/9,360,274.44 = 3,727,220.20/x
  3. Step 3: Cross multiply
    6,782,809.12x = 9,360,274.44 × 3,727,220.20
  4. Step 4: Simplify right side
    6,782,809.12x = 34,887,803,960,888.07
  5. Step 5: Solve for x
    x = 34,887,803,960,888.07/6,782,809.12
  6. Step 6: Final answer
    x = 5,143,562.70

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1.5x scale

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.