Home / 5,088,274.56-7,021,900.80-2,912,808.96

Finding the Fourth Proportional to 5,088,274.56, 7,021,900.80 and 2,912,808.96

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Solution

The fourth proportional to 5,088,274.56, 7,021,900.80 and 2,912,808.96 is: 4,019,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088,274.56 : 7,021,900.80 = 2,912,808.96 : x
  2. Step 2: Convert to fraction form
    5,088,274.56/7,021,900.80 = 2,912,808.96/x
  3. Step 3: Cross multiply
    5,088,274.56x = 7,021,900.80 × 2,912,808.96
  4. Step 4: Simplify right side
    5,088,274.56x = 20,453,455,566,471.17
  5. Step 5: Solve for x
    x = 20,453,455,566,471.17/5,088,274.56
  6. Step 6: Final answer
    x = 4,019,723.25

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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.