Home / 2,551,730.24-3,521,346.48-1,390,190.39

Finding the Fourth Proportional to 2,551,730.24, 3,521,346.48 and 1,390,190.39

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Solution

The fourth proportional to 2,551,730.24, 3,521,346.48 and 1,390,190.39 is: 1,918,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,730.24 : 3,521,346.48 = 1,390,190.39 : x
  2. Step 2: Convert to fraction form
    2,551,730.24/3,521,346.48 = 1,390,190.39/x
  3. Step 3: Cross multiply
    2,551,730.24x = 3,521,346.48 × 1,390,190.39
  4. Step 4: Simplify right side
    2,551,730.24x = 4,895,342,018,749.60
  5. Step 5: Solve for x
    x = 4,895,342,018,749.60/2,551,730.24
  6. Step 6: Final answer
    x = 1,918,440.26

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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.