Home / 1,640,313.10-2,460,469.65-884,485.90

Finding the Fourth Proportional to 1,640,313.10, 2,460,469.65 and 884,485.90

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Solution

The fourth proportional to 1,640,313.10, 2,460,469.65 and 884,485.90 is: 1,326,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,313.10 : 2,460,469.65 = 884,485.90 : x
  2. Step 2: Convert to fraction form
    1,640,313.10/2,460,469.65 = 884,485.90/x
  3. Step 3: Cross multiply
    1,640,313.10x = 2,460,469.65 × 884,485.90
  4. Step 4: Simplify right side
    1,640,313.10x = 2,176,250,712,802.94
  5. Step 5: Solve for x
    x = 2,176,250,712,802.94/1,640,313.10
  6. Step 6: Final answer
    x = 1,326,728.85

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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.