Home / 4,673,990.70-7,011,642.15-1,478,783.70

Finding the Fourth Proportional to 4,673,990.70, 7,011,642.15 and 1,478,783.70

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Solution

The fourth proportional to 4,673,990.70, 7,011,642.15 and 1,478,783.70 is: 2,218,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673,990.70 : 7,011,642.15 = 1,478,783.70 : x
  2. Step 2: Convert to fraction form
    4,673,990.70/7,011,642.15 = 1,478,783.70/x
  3. Step 3: Cross multiply
    4,673,990.70x = 7,011,642.15 × 1,478,783.70
  4. Step 4: Simplify right side
    4,673,990.70x = 10,368,702,121,652.96
  5. Step 5: Solve for x
    x = 10,368,702,121,652.96/4,673,990.70
  6. Step 6: Final answer
    x = 2,218,383.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.