Home / 1,909,851.28-2,864,332.58-561,653.26

Finding the Fourth Proportional to 1,909,851.28, 2,864,332.58 and 561,653.26

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Solution

The fourth proportional to 1,909,851.28, 2,864,332.58 and 561,653.26 is: 842,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,851.28 : 2,864,332.58 = 561,653.26 : x
  2. Step 2: Convert to fraction form
    1,909,851.28/2,864,332.58 = 561,653.26/x
  3. Step 3: Cross multiply
    1,909,851.28x = 2,864,332.58 × 561,653.26
  4. Step 4: Simplify right side
    1,909,851.28x = 1,608,761,731,281.21
  5. Step 5: Solve for x
    x = 1,608,761,731,281.21/1,909,851.28
  6. Step 6: Final answer
    x = 842,349.22

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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.