Home / 2,106,312.62-2,906,702.60-1,139,440.52

Finding the Fourth Proportional to 2,106,312.62, 2,906,702.60 and 1,139,440.52

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Solution

The fourth proportional to 2,106,312.62, 2,906,702.60 and 1,139,440.52 is: 1,572,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,312.62 : 2,906,702.60 = 1,139,440.52 : x
  2. Step 2: Convert to fraction form
    2,106,312.62/2,906,702.60 = 1,139,440.52/x
  3. Step 3: Cross multiply
    2,106,312.62x = 2,906,702.60 × 1,139,440.52
  4. Step 4: Simplify right side
    2,106,312.62x = 3,312,014,722,029.35
  5. Step 5: Solve for x
    x = 3,312,014,722,029.35/2,106,312.62
  6. Step 6: Final answer
    x = 1,572,423.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.