Home / 3,881,894.40-5,821,804.80-1,186,214.40

Finding the Fourth Proportional to 3,881,894.40, 5,821,804.80 and 1,186,214.40

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Solution

The fourth proportional to 3,881,894.40, 5,821,804.80 and 1,186,214.40 is: 1,779,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,894.40 : 5,821,804.80 = 1,186,214.40 : x
  2. Step 2: Convert to fraction form
    3,881,894.40/5,821,804.80 = 1,186,214.40/x
  3. Step 3: Cross multiply
    3,881,894.40x = 5,821,804.80 × 1,186,214.40
  4. Step 4: Simplify right side
    3,881,894.40x = 6,905,908,687,749.12
  5. Step 5: Solve for x
    x = 6,905,908,687,749.12/3,881,894.40
  6. Step 6: Final answer
    x = 1,779,004.78

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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.