Home / 2,925,783.80-4,388,675.70-931,441.40

Finding the Fourth Proportional to 2,925,783.80, 4,388,675.70 and 931,441.40

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Solution

The fourth proportional to 2,925,783.80, 4,388,675.70 and 931,441.40 is: 1,397,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925,783.80 : 4,388,675.70 = 931,441.40 : x
  2. Step 2: Convert to fraction form
    2,925,783.80/4,388,675.70 = 931,441.40/x
  3. Step 3: Cross multiply
    2,925,783.80x = 4,388,675.70 × 931,441.40
  4. Step 4: Simplify right side
    2,925,783.80x = 4,087,794,238,153.98
  5. Step 5: Solve for x
    x = 4,087,794,238,153.98/2,925,783.80
  6. Step 6: Final answer
    x = 1,397,162.10

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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.