Home / 3,479,123.40-5,214,537.90-1,457,363.40

Finding the Fourth Proportional to 3,479,123.40, 5,214,537.90 and 1,457,363.40

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Solution

The fourth proportional to 3,479,123.40, 5,214,537.90 and 1,457,363.40 is: 2,184,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,123.40 : 5,214,537.90 = 1,457,363.40 : x
  2. Step 2: Convert to fraction form
    3,479,123.40/5,214,537.90 = 1,457,363.40/x
  3. Step 3: Cross multiply
    3,479,123.40x = 5,214,537.90 × 1,457,363.40
  4. Step 4: Simplify right side
    3,479,123.40x = 7,599,476,683,372.86
  5. Step 5: Solve for x
    x = 7,599,476,683,372.86/3,479,123.40
  6. Step 6: Final answer
    x = 2,184,307.89

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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.