Home / 1,537,930.94-2,305,587.78-939,312.05

Finding the Fourth Proportional to 1,537,930.94, 2,305,587.78 and 939,312.05

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Solution

The fourth proportional to 1,537,930.94, 2,305,587.78 and 939,312.05 is: 1,408,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,930.94 : 2,305,587.78 = 939,312.05 : x
  2. Step 2: Convert to fraction form
    1,537,930.94/2,305,587.78 = 939,312.05/x
  3. Step 3: Cross multiply
    1,537,930.94x = 2,305,587.78 × 939,312.05
  4. Step 4: Simplify right side
    1,537,930.94x = 2,165,666,372,558.81
  5. Step 5: Solve for x
    x = 2,165,666,372,558.81/1,537,930.94
  6. Step 6: Final answer
    x = 1,408,168.81

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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.