Home / 2,556,221.60-3,829,666.80-1,557,783.20

Finding the Fourth Proportional to 2,556,221.60, 3,829,666.80 and 1,557,783.20

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Solution

The fourth proportional to 2,556,221.60, 3,829,666.80 and 1,557,783.20 is: 2,333,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,221.60 : 3,829,666.80 = 1,557,783.20 : x
  2. Step 2: Convert to fraction form
    2,556,221.60/3,829,666.80 = 1,557,783.20/x
  3. Step 3: Cross multiply
    2,556,221.60x = 3,829,666.80 × 1,557,783.20
  4. Step 4: Simplify right side
    2,556,221.60x = 5,965,790,602,637.76
  5. Step 5: Solve for x
    x = 5,965,790,602,637.76/2,556,221.60
  6. Step 6: Final answer
    x = 2,333,831.54

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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.