Home / 3,886,904.40-5,830,356.60-1,191,208.20

Finding the Fourth Proportional to 3,886,904.40, 5,830,356.60 and 1,191,208.20

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Solution

The fourth proportional to 3,886,904.40, 5,830,356.60 and 1,191,208.20 is: 1,786,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,904.40 : 5,830,356.60 = 1,191,208.20 : x
  2. Step 2: Convert to fraction form
    3,886,904.40/5,830,356.60 = 1,191,208.20/x
  3. Step 3: Cross multiply
    3,886,904.40x = 5,830,356.60 × 1,191,208.20
  4. Step 4: Simplify right side
    3,886,904.40x = 6,945,168,590,844.12
  5. Step 5: Solve for x
    x = 6,945,168,590,844.12/3,886,904.40
  6. Step 6: Final answer
    x = 1,786,812.30

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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.