Home / 1,640,015.40-2,460,023.10-1,006,876.20

Finding the Fourth Proportional to 1,640,015.40, 2,460,023.10 and 1,006,876.20

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Solution

The fourth proportional to 1,640,015.40, 2,460,023.10 and 1,006,876.20 is: 1,510,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,015.40 : 2,460,023.10 = 1,006,876.20 : x
  2. Step 2: Convert to fraction form
    1,640,015.40/2,460,023.10 = 1,006,876.20/x
  3. Step 3: Cross multiply
    1,640,015.40x = 2,460,023.10 × 1,006,876.20
  4. Step 4: Simplify right side
    1,640,015.40x = 2,476,938,710,840.22
  5. Step 5: Solve for x
    x = 2,476,938,710,840.22/1,640,015.40
  6. Step 6: Final answer
    x = 1,510,314.30

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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.