Home / 1,564,449.66-2,342,705.07-1,311,063.84

Finding the Fourth Proportional to 1,564,449.66, 2,342,705.07 and 1,311,063.84

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Solution

The fourth proportional to 1,564,449.66, 2,342,705.07 and 1,311,063.84 is: 1,963,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,449.66 : 2,342,705.07 = 1,311,063.84 : x
  2. Step 2: Convert to fraction form
    1,564,449.66/2,342,705.07 = 1,311,063.84/x
  3. Step 3: Cross multiply
    1,564,449.66x = 2,342,705.07 × 1,311,063.84
  4. Step 4: Simplify right side
    1,564,449.66x = 3,071,435,909,978.16
  5. Step 5: Solve for x
    x = 3,071,435,909,978.16/1,564,449.66
  6. Step 6: Final answer
    x = 1,963,269.25

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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.