Home / 3,020,155.12-4,167,814.65-1,662,028.12

Finding the Fourth Proportional to 3,020,155.12, 4,167,814.65 and 1,662,028.12

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Solution

The fourth proportional to 3,020,155.12, 4,167,814.65 and 1,662,028.12 is: 2,293,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,155.12 : 4,167,814.65 = 1,662,028.12 : x
  2. Step 2: Convert to fraction form
    3,020,155.12/4,167,814.65 = 1,662,028.12/x
  3. Step 3: Cross multiply
    3,020,155.12x = 4,167,814.65 × 1,662,028.12
  4. Step 4: Simplify right side
    3,020,155.12x = 6,927,025,126,408.89
  5. Step 5: Solve for x
    x = 6,927,025,126,408.89/3,020,155.12
  6. Step 6: Final answer
    x = 2,293,599.12

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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.