Home / 3,436,313.91-4,742,124.27-1,908,421.02

Finding the Fourth Proportional to 3,436,313.91, 4,742,124.27 and 1,908,421.02

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Solution

The fourth proportional to 3,436,313.91, 4,742,124.27 and 1,908,421.02 is: 2,633,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,313.91 : 4,742,124.27 = 1,908,421.02 : x
  2. Step 2: Convert to fraction form
    3,436,313.91/4,742,124.27 = 1,908,421.02/x
  3. Step 3: Cross multiply
    3,436,313.91x = 4,742,124.27 × 1,908,421.02
  4. Step 4: Simplify right side
    3,436,313.91x = 9,049,969,636,320.15
  5. Step 5: Solve for x
    x = 9,049,969,636,320.15/3,436,313.91
  6. Step 6: Final answer
    x = 2,633,627.16

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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.