Home / 5,346,071.40-8,012,108.70-2,148,580.20

Finding the Fourth Proportional to 5,346,071.40, 8,012,108.70 and 2,148,580.20

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Solution

The fourth proportional to 5,346,071.40, 8,012,108.70 and 2,148,580.20 is: 3,220,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,071.40 : 8,012,108.70 = 2,148,580.20 : x
  2. Step 2: Convert to fraction form
    5,346,071.40/8,012,108.70 = 2,148,580.20/x
  3. Step 3: Cross multiply
    5,346,071.40x = 8,012,108.70 × 2,148,580.20
  4. Step 4: Simplify right side
    5,346,071.40x = 17,214,658,113,067.74
  5. Step 5: Solve for x
    x = 17,214,658,113,067.74/5,346,071.40
  6. Step 6: Final answer
    x = 3,220,057.65

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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.