Home / 3,176,109.45-4,761,485.47-1,377,638.81

Finding the Fourth Proportional to 3,176,109.45, 4,761,485.47 and 1,377,638.81

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Solution

The fourth proportional to 3,176,109.45, 4,761,485.47 and 1,377,638.81 is: 2,065,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,109.45 : 4,761,485.47 = 1,377,638.81 : x
  2. Step 2: Convert to fraction form
    3,176,109.45/4,761,485.47 = 1,377,638.81/x
  3. Step 3: Cross multiply
    3,176,109.45x = 4,761,485.47 × 1,377,638.81
  4. Step 4: Simplify right side
    3,176,109.45x = 6,559,607,146,027.47
  5. Step 5: Solve for x
    x = 6,559,607,146,027.47/3,176,109.45
  6. Step 6: Final answer
    x = 2,065,296.32

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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.