Home / 2,904,795.36-4,008,128.40-1,615,465.44

Finding the Fourth Proportional to 2,904,795.36, 4,008,128.40 and 1,615,465.44

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Solution

The fourth proportional to 2,904,795.36, 4,008,128.40 and 1,615,465.44 is: 2,229,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904,795.36 : 4,008,128.40 = 1,615,465.44 : x
  2. Step 2: Convert to fraction form
    2,904,795.36/4,008,128.40 = 1,615,465.44/x
  3. Step 3: Cross multiply
    2,904,795.36x = 4,008,128.40 × 1,615,465.44
  4. Step 4: Simplify right side
    2,904,795.36x = 6,474,992,909,282.50
  5. Step 5: Solve for x
    x = 6,474,992,909,282.50/2,904,795.36
  6. Step 6: Final answer
    x = 2,229,070.25

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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.