Home / 1,553,734.10-2,143,572.56-1,551,339.34

Finding the Fourth Proportional to 1,553,734.10, 2,143,572.56 and 1,551,339.34

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Solution

The fourth proportional to 1,553,734.10, 2,143,572.56 and 1,551,339.34 is: 2,140,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,734.10 : 2,143,572.56 = 1,551,339.34 : x
  2. Step 2: Convert to fraction form
    1,553,734.10/2,143,572.56 = 1,551,339.34/x
  3. Step 3: Cross multiply
    1,553,734.10x = 2,143,572.56 × 1,551,339.34
  4. Step 4: Simplify right side
    1,553,734.10x = 3,325,408,433,174.40
  5. Step 5: Solve for x
    x = 3,325,408,433,174.40/1,553,734.10
  6. Step 6: Final answer
    x = 2,140,268.68

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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.