Home / 4,085,880-6,128,803.47-1,245,983.94

Finding the Fourth Proportional to 4,085,880, 6,128,803.47 and 1,245,983.94

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Solution

The fourth proportional to 4,085,880, 6,128,803.47 and 1,245,983.94 is: 1,868,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085,880 : 6,128,803.47 = 1,245,983.94 : x
  2. Step 2: Convert to fraction form
    4,085,880/6,128,803.47 = 1,245,983.94/x
  3. Step 3: Cross multiply
    4,085,880x = 6,128,803.47 × 1,245,983.94
  4. Step 4: Simplify right side
    4,085,880x = 7,636,390,695,036.27
  5. Step 5: Solve for x
    x = 7,636,390,695,036.27/4,085,880
  6. Step 6: Final answer
    x = 1,868,970.87

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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.