Home / 3,148,736.80-4,723,688.40-1,018,890.40

Finding the Fourth Proportional to 3,148,736.80, 4,723,688.40 and 1,018,890.40

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Solution

The fourth proportional to 3,148,736.80, 4,723,688.40 and 1,018,890.40 is: 1,528,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,736.80 : 4,723,688.40 = 1,018,890.40 : x
  2. Step 2: Convert to fraction form
    3,148,736.80/4,723,688.40 = 1,018,890.40/x
  3. Step 3: Cross multiply
    3,148,736.80x = 4,723,688.40 × 1,018,890.40
  4. Step 4: Simplify right side
    3,148,736.80x = 4,812,920,763,351.36
  5. Step 5: Solve for x
    x = 4,812,920,763,351.36/3,148,736.80
  6. Step 6: Final answer
    x = 1,528,524.32

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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.