Home / 1,640,442.60-2,460,663.90-1,475,105.40

Finding the Fourth Proportional to 1,640,442.60, 2,460,663.90 and 1,475,105.40

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Solution

The fourth proportional to 1,640,442.60, 2,460,663.90 and 1,475,105.40 is: 2,212,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,442.60 : 2,460,663.90 = 1,475,105.40 : x
  2. Step 2: Convert to fraction form
    1,640,442.60/2,460,663.90 = 1,475,105.40/x
  3. Step 3: Cross multiply
    1,640,442.60x = 2,460,663.90 × 1,475,105.40
  4. Step 4: Simplify right side
    1,640,442.60x = 3,629,738,606,475.06
  5. Step 5: Solve for x
    x = 3,629,738,606,475.06/1,640,442.60
  6. Step 6: Final answer
    x = 2,212,658.10

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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.