Home / 2,099,406.40-2,896,458.58-1,272,746.56

Finding the Fourth Proportional to 2,099,406.40, 2,896,458.58 and 1,272,746.56

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Solution

The fourth proportional to 2,099,406.40, 2,896,458.58 and 1,272,746.56 is: 1,755,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,406.40 : 2,896,458.58 = 1,272,746.56 : x
  2. Step 2: Convert to fraction form
    2,099,406.40/2,896,458.58 = 1,272,746.56/x
  3. Step 3: Cross multiply
    2,099,406.40x = 2,896,458.58 × 1,272,746.56
  4. Step 4: Simplify right side
    2,099,406.40x = 3,686,457,693,877.49
  5. Step 5: Solve for x
    x = 3,686,457,693,877.49/2,099,406.40
  6. Step 6: Final answer
    x = 1,755,952.39

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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.