Home / 1,909,005.76-2,863,509.45-561,168.46

Finding the Fourth Proportional to 1,909,005.76, 2,863,509.45 and 561,168.46

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Solution

The fourth proportional to 1,909,005.76, 2,863,509.45 and 561,168.46 is: 841,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,005.76 : 2,863,509.45 = 561,168.46 : x
  2. Step 2: Convert to fraction form
    1,909,005.76/2,863,509.45 = 561,168.46/x
  3. Step 3: Cross multiply
    1,909,005.76x = 2,863,509.45 × 561,168.46
  4. Step 4: Simplify right side
    1,909,005.76x = 1,606,911,188,251.95
  5. Step 5: Solve for x
    x = 1,606,911,188,251.95/1,909,005.76
  6. Step 6: Final answer
    x = 841,752.93

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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.