Home / 2,152,012.80-3,226,636.80-890,342.40

Finding the Fourth Proportional to 2,152,012.80, 3,226,636.80 and 890,342.40

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Solution

The fourth proportional to 2,152,012.80, 3,226,636.80 and 890,342.40 is: 1,334,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,012.80 : 3,226,636.80 = 890,342.40 : x
  2. Step 2: Convert to fraction form
    2,152,012.80/3,226,636.80 = 890,342.40/x
  3. Step 3: Cross multiply
    2,152,012.80x = 3,226,636.80 × 890,342.40
  4. Step 4: Simplify right side
    2,152,012.80x = 2,872,811,552,440.32
  5. Step 5: Solve for x
    x = 2,872,811,552,440.32/2,152,012.80
  6. Step 6: Final answer
    x = 1,334,941.67

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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.