Home / 1,606,421.54-2,216,869.90-881,336.28

Finding the Fourth Proportional to 1,606,421.54, 2,216,869.90 and 881,336.28

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Solution

The fourth proportional to 1,606,421.54, 2,216,869.90 and 881,336.28 is: 1,216,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,421.54 : 2,216,869.90 = 881,336.28 : x
  2. Step 2: Convert to fraction form
    1,606,421.54/2,216,869.90 = 881,336.28/x
  3. Step 3: Cross multiply
    1,606,421.54x = 2,216,869.90 × 881,336.28
  4. Step 4: Simplify right side
    1,606,421.54x = 1,953,807,870,909.97
  5. Step 5: Solve for x
    x = 1,953,807,870,909.97/1,606,421.54
  6. Step 6: Final answer
    x = 1,216,248.55

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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.