Home / 3,161,491.59-4,742,240.81-1,479,776.07

Finding the Fourth Proportional to 3,161,491.59, 4,742,240.81 and 1,479,776.07

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Solution

The fourth proportional to 3,161,491.59, 4,742,240.81 and 1,479,776.07 is: 2,219,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,491.59 : 4,742,240.81 = 1,479,776.07 : x
  2. Step 2: Convert to fraction form
    3,161,491.59/4,742,240.81 = 1,479,776.07/x
  3. Step 3: Cross multiply
    3,161,491.59x = 4,742,240.81 × 1,479,776.07
  4. Step 4: Simplify right side
    3,161,491.59x = 7,017,454,461,416.54
  5. Step 5: Solve for x
    x = 7,017,454,461,416.54/3,161,491.59
  6. Step 6: Final answer
    x = 2,219,665.71

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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.