Home / 3,436,474.48-4,742,201.28-1,908,678.40

Finding the Fourth Proportional to 3,436,474.48, 4,742,201.28 and 1,908,678.40

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Solution

The fourth proportional to 3,436,474.48, 4,742,201.28 and 1,908,678.40 is: 2,633,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,474.48 : 4,742,201.28 = 1,908,678.40 : x
  2. Step 2: Convert to fraction form
    3,436,474.48/4,742,201.28 = 1,908,678.40/x
  3. Step 3: Cross multiply
    3,436,474.48x = 4,742,201.28 × 1,908,678.40
  4. Step 4: Simplify right side
    3,436,474.48x = 9,051,337,151,588.35
  5. Step 5: Solve for x
    x = 9,051,337,151,588.35/3,436,474.48
  6. Step 6: Final answer
    x = 2,633,902.04

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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.