Home / 1,515,134.46-2,269,771.02-1,269,053.94

Finding the Fourth Proportional to 1,515,134.46, 2,269,771.02 and 1,269,053.94

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Solution

The fourth proportional to 1,515,134.46, 2,269,771.02 and 1,269,053.94 is: 1,901,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,134.46 : 2,269,771.02 = 1,269,053.94 : x
  2. Step 2: Convert to fraction form
    1,515,134.46/2,269,771.02 = 1,269,053.94/x
  3. Step 3: Cross multiply
    1,515,134.46x = 2,269,771.02 × 1,269,053.94
  4. Step 4: Simplify right side
    1,515,134.46x = 2,880,461,855,828.82
  5. Step 5: Solve for x
    x = 2,880,461,855,828.82/1,515,134.46
  6. Step 6: Final answer
    x = 1,901,126.22

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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.