Home / 2,154,657.58-2,973,447.52-1,187,822.47

Finding the Fourth Proportional to 2,154,657.58, 2,973,447.52 and 1,187,822.47

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Solution

The fourth proportional to 2,154,657.58, 2,973,447.52 and 1,187,822.47 is: 1,639,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,657.58 : 2,973,447.52 = 1,187,822.47 : x
  2. Step 2: Convert to fraction form
    2,154,657.58/2,973,447.52 = 1,187,822.47/x
  3. Step 3: Cross multiply
    2,154,657.58x = 2,973,447.52 × 1,187,822.47
  4. Step 4: Simplify right side
    2,154,657.58x = 3,531,927,778,737.79
  5. Step 5: Solve for x
    x = 3,531,927,778,737.79/2,154,657.58
  6. Step 6: Final answer
    x = 1,639,206.07

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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.