Home / 4,978,664.40-7,465,231.80-1,983,464.40

Finding the Fourth Proportional to 4,978,664.40, 7,465,231.80 and 1,983,464.40

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Solution

The fourth proportional to 4,978,664.40, 7,465,231.80 and 1,983,464.40 is: 2,974,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,664.40 : 7,465,231.80 = 1,983,464.40 : x
  2. Step 2: Convert to fraction form
    4,978,664.40/7,465,231.80 = 1,983,464.40/x
  3. Step 3: Cross multiply
    4,978,664.40x = 7,465,231.80 × 1,983,464.40
  4. Step 4: Simplify right side
    4,978,664.40x = 14,807,021,513,047.92
  5. Step 5: Solve for x
    x = 14,807,021,513,047.92/4,978,664.40
  6. Step 6: Final answer
    x = 2,974,095.12

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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.