Home / 3,112,621.60-4,669,807.20-1,316,365.60

Finding the Fourth Proportional to 3,112,621.60, 4,669,807.20 and 1,316,365.60

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Solution

The fourth proportional to 3,112,621.60, 4,669,807.20 and 1,316,365.60 is: 1,974,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,621.60 : 4,669,807.20 = 1,316,365.60 : x
  2. Step 2: Convert to fraction form
    3,112,621.60/4,669,807.20 = 1,316,365.60/x
  3. Step 3: Cross multiply
    3,112,621.60x = 4,669,807.20 × 1,316,365.60
  4. Step 4: Simplify right side
    3,112,621.60x = 6,147,173,556,712.32
  5. Step 5: Solve for x
    x = 6,147,173,556,712.32/3,112,621.60
  6. Step 6: Final answer
    x = 1,974,918.36

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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.