Home / 2,107,224.47-2,907,969.53-1,140,354.78

Finding the Fourth Proportional to 2,107,224.47, 2,907,969.53 and 1,140,354.78

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Solution

The fourth proportional to 2,107,224.47, 2,907,969.53 and 1,140,354.78 is: 1,573,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,224.47 : 2,907,969.53 = 1,140,354.78 : x
  2. Step 2: Convert to fraction form
    2,107,224.47/2,907,969.53 = 1,140,354.78/x
  3. Step 3: Cross multiply
    2,107,224.47x = 2,907,969.53 × 1,140,354.78
  4. Step 4: Simplify right side
    2,107,224.47x = 3,316,116,947,928.08
  5. Step 5: Solve for x
    x = 3,316,116,947,928.08/2,107,224.47
  6. Step 6: Final answer
    x = 1,573,689.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.