Home / 1,607,005.61-2,217,661.20-881,865.43

Finding the Fourth Proportional to 1,607,005.61, 2,217,661.20 and 881,865.43

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Solution

The fourth proportional to 1,607,005.61, 2,217,661.20 and 881,865.43 is: 1,216,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,005.61 : 2,217,661.20 = 881,865.43 : x
  2. Step 2: Convert to fraction form
    1,607,005.61/2,217,661.20 = 881,865.43/x
  3. Step 3: Cross multiply
    1,607,005.61x = 2,217,661.20 × 881,865.43
  4. Step 4: Simplify right side
    1,607,005.61x = 1,955,678,742,188.16
  5. Step 5: Solve for x
    x = 1,955,678,742,188.16/1,607,005.61
  6. Step 6: Final answer
    x = 1,216,970.70

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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.