Home / 1,836,445.20-2,754,667.80-637,969.20

Finding the Fourth Proportional to 1,836,445.20, 2,754,667.80 and 637,969.20

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Solution

The fourth proportional to 1,836,445.20, 2,754,667.80 and 637,969.20 is: 956,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,445.20 : 2,754,667.80 = 637,969.20 : x
  2. Step 2: Convert to fraction form
    1,836,445.20/2,754,667.80 = 637,969.20/x
  3. Step 3: Cross multiply
    1,836,445.20x = 2,754,667.80 × 637,969.20
  4. Step 4: Simplify right side
    1,836,445.20x = 1,757,393,212,631.76
  5. Step 5: Solve for x
    x = 1,757,393,212,631.76/1,836,445.20
  6. Step 6: Final answer
    x = 956,953.80

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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.