Home / 3,178,440-4,764,510.72-1,492,525.44

Finding the Fourth Proportional to 3,178,440, 4,764,510.72 and 1,492,525.44

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Solution

The fourth proportional to 3,178,440, 4,764,510.72 and 1,492,525.44 is: 2,237,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,440 : 4,764,510.72 = 1,492,525.44 : x
  2. Step 2: Convert to fraction form
    3,178,440/4,764,510.72 = 1,492,525.44/x
  3. Step 3: Cross multiply
    3,178,440x = 4,764,510.72 × 1,492,525.44
  4. Step 4: Simplify right side
    3,178,440x = 7,111,153,458,752.72
  5. Step 5: Solve for x
    x = 7,111,153,458,752.72/3,178,440
  6. Step 6: Final answer
    x = 2,237,309.33

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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.