Home / 3,636,318-5,455,264.32-1,392,456

Finding the Fourth Proportional to 3,636,318, 5,455,264.32 and 1,392,456

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Solution

The fourth proportional to 3,636,318, 5,455,264.32 and 1,392,456 is: 2,088,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636,318 : 5,455,264.32 = 1,392,456 : x
  2. Step 2: Convert to fraction form
    3,636,318/5,455,264.32 = 1,392,456/x
  3. Step 3: Cross multiply
    3,636,318x = 5,455,264.32 × 1,392,456
  4. Step 4: Simplify right side
    3,636,318x = 7,596,215,533,969.92
  5. Step 5: Solve for x
    x = 7,596,215,533,969.92/3,636,318
  6. Step 6: Final answer
    x = 2,088,985.49

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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.