Home / 5,426,432.70-8,140,815.45-1,640,298.30

Finding the Fourth Proportional to 5,426,432.70, 8,140,815.45 and 1,640,298.30

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Solution

The fourth proportional to 5,426,432.70, 8,140,815.45 and 1,640,298.30 is: 2,460,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,432.70 : 8,140,815.45 = 1,640,298.30 : x
  2. Step 2: Convert to fraction form
    5,426,432.70/8,140,815.45 = 1,640,298.30/x
  3. Step 3: Cross multiply
    5,426,432.70x = 8,140,815.45 × 1,640,298.30
  4. Step 4: Simplify right side
    5,426,432.70x = 13,353,365,743,248.74
  5. Step 5: Solve for x
    x = 13,353,365,743,248.74/5,426,432.70
  6. Step 6: Final answer
    x = 2,460,800.03

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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.