Home / 2,931,971.19-4,394,126.54-1,635,071.82

Finding the Fourth Proportional to 2,931,971.19, 4,394,126.54 and 1,635,071.82

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Solution

The fourth proportional to 2,931,971.19, 4,394,126.54 and 1,635,071.82 is: 2,450,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,971.19 : 4,394,126.54 = 1,635,071.82 : x
  2. Step 2: Convert to fraction form
    2,931,971.19/4,394,126.54 = 1,635,071.82/x
  3. Step 3: Cross multiply
    2,931,971.19x = 4,394,126.54 × 1,635,071.82
  4. Step 4: Simplify right side
    2,931,971.19x = 7,184,712,457,097.47
  5. Step 5: Solve for x
    x = 7,184,712,457,097.47/2,931,971.19
  6. Step 6: Final answer
    x = 2,450,471.71

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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.