Home / 6,421,486.76-8,862,049.86-3,559,918.76

Finding the Fourth Proportional to 6,421,486.76, 8,862,049.86 and 3,559,918.76

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Solution

The fourth proportional to 6,421,486.76, 8,862,049.86 and 3,559,918.76 is: 4,912,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,486.76 : 8,862,049.86 = 3,559,918.76 : x
  2. Step 2: Convert to fraction form
    6,421,486.76/8,862,049.86 = 3,559,918.76/x
  3. Step 3: Cross multiply
    6,421,486.76x = 8,862,049.86 × 3,559,918.76
  4. Step 4: Simplify right side
    6,421,486.76x = 31,548,177,548,669.37
  5. Step 5: Solve for x
    x = 31,548,177,548,669.37/6,421,486.76
  6. Step 6: Final answer
    x = 4,912,908.60

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Double scale
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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.