Home / 3,450,998.40-5,178,830.40-1,934,678.40

Finding the Fourth Proportional to 3,450,998.40, 5,178,830.40 and 1,934,678.40

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Solution

The fourth proportional to 3,450,998.40, 5,178,830.40 and 1,934,678.40 is: 2,903,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,998.40 : 5,178,830.40 = 1,934,678.40 : x
  2. Step 2: Convert to fraction form
    3,450,998.40/5,178,830.40 = 1,934,678.40/x
  3. Step 3: Cross multiply
    3,450,998.40x = 5,178,830.40 × 1,934,678.40
  4. Step 4: Simplify right side
    3,450,998.40x = 10,019,371,312,143.36
  5. Step 5: Solve for x
    x = 10,019,371,312,143.36/3,450,998.40
  6. Step 6: Final answer
    x = 2,903,325.40

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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.