Home / 2,911,491.78-4,017,804.83-1,586,926.94

Finding the Fourth Proportional to 2,911,491.78, 4,017,804.83 and 1,586,926.94

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Solution

The fourth proportional to 2,911,491.78, 4,017,804.83 and 1,586,926.94 is: 2,189,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,491.78 : 4,017,804.83 = 1,586,926.94 : x
  2. Step 2: Convert to fraction form
    2,911,491.78/4,017,804.83 = 1,586,926.94/x
  3. Step 3: Cross multiply
    2,911,491.78x = 4,017,804.83 × 1,586,926.94
  4. Step 4: Simplify right side
    2,911,491.78x = 6,375,962,724,389.12
  5. Step 5: Solve for x
    x = 6,375,962,724,389.12/2,911,491.78
  6. Step 6: Final answer
    x = 2,189,929.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.