Home / 1,909,904.60-2,634,784.80-1,144,629.56

Finding the Fourth Proportional to 1,909,904.60, 2,634,784.80 and 1,144,629.56

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Solution

The fourth proportional to 1,909,904.60, 2,634,784.80 and 1,144,629.56 is: 1,579,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,904.60 : 2,634,784.80 = 1,144,629.56 : x
  2. Step 2: Convert to fraction form
    1,909,904.60/2,634,784.80 = 1,144,629.56/x
  3. Step 3: Cross multiply
    1,909,904.60x = 2,634,784.80 × 1,144,629.56
  4. Step 4: Simplify right side
    1,909,904.60x = 3,015,852,566,318.69
  5. Step 5: Solve for x
    x = 3,015,852,566,318.69/1,909,904.60
  6. Step 6: Final answer
    x = 1,579,059.27

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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.