Home / 1,640,467.70-2,460,701.55-1,607,290.10

Finding the Fourth Proportional to 1,640,467.70, 2,460,701.55 and 1,607,290.10

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Solution

The fourth proportional to 1,640,467.70, 2,460,701.55 and 1,607,290.10 is: 2,410,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,467.70 : 2,460,701.55 = 1,607,290.10 : x
  2. Step 2: Convert to fraction form
    1,640,467.70/2,460,701.55 = 1,607,290.10/x
  3. Step 3: Cross multiply
    1,640,467.70x = 2,460,701.55 × 1,607,290.10
  4. Step 4: Simplify right side
    1,640,467.70x = 3,955,061,240,369.66
  5. Step 5: Solve for x
    x = 3,955,061,240,369.66/1,640,467.70
  6. Step 6: Final answer
    x = 2,410,935.15

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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.