Home / 2,640,837.90-3,961,256.85-1,442,106.35

Finding the Fourth Proportional to 2,640,837.90, 3,961,256.85 and 1,442,106.35

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Solution

The fourth proportional to 2,640,837.90, 3,961,256.85 and 1,442,106.35 is: 2,163,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,837.90 : 3,961,256.85 = 1,442,106.35 : x
  2. Step 2: Convert to fraction form
    2,640,837.90/3,961,256.85 = 1,442,106.35/x
  3. Step 3: Cross multiply
    2,640,837.90x = 3,961,256.85 × 1,442,106.35
  4. Step 4: Simplify right side
    2,640,837.90x = 5,712,553,637,559.71
  5. Step 5: Solve for x
    x = 5,712,553,637,559.71/2,640,837.90
  6. Step 6: Final answer
    x = 2,163,159.52

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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.