Home / 2,118,735.60-3,178,103.40-1,886,492.40

Finding the Fourth Proportional to 2,118,735.60, 3,178,103.40 and 1,886,492.40

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Solution

The fourth proportional to 2,118,735.60, 3,178,103.40 and 1,886,492.40 is: 2,829,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,735.60 : 3,178,103.40 = 1,886,492.40 : x
  2. Step 2: Convert to fraction form
    2,118,735.60/3,178,103.40 = 1,886,492.40/x
  3. Step 3: Cross multiply
    2,118,735.60x = 3,178,103.40 × 1,886,492.40
  4. Step 4: Simplify right side
    2,118,735.60x = 5,995,467,910,514.16
  5. Step 5: Solve for x
    x = 5,995,467,910,514.16/2,118,735.60
  6. Step 6: Final answer
    x = 2,829,738.60

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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.