Home / 2,028,427.17-3,038,155.98-1,387,211.32

Finding the Fourth Proportional to 2,028,427.17, 3,038,155.98 and 1,387,211.32

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Solution

The fourth proportional to 2,028,427.17, 3,038,155.98 and 1,387,211.32 is: 2,077,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,427.17 : 3,038,155.98 = 1,387,211.32 : x
  2. Step 2: Convert to fraction form
    2,028,427.17/3,038,155.98 = 1,387,211.32/x
  3. Step 3: Cross multiply
    2,028,427.17x = 3,038,155.98 × 1,387,211.32
  4. Step 4: Simplify right side
    2,028,427.17x = 4,214,564,367,381.69
  5. Step 5: Solve for x
    x = 4,214,564,367,381.69/2,028,427.17
  6. Step 6: Final answer
    x = 2,077,749.91

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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.