Home / 1,820,531.70-2,511,289.17-1,056,487.86

Finding the Fourth Proportional to 1,820,531.70, 2,511,289.17 and 1,056,487.86

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Solution

The fourth proportional to 1,820,531.70, 2,511,289.17 and 1,056,487.86 is: 1,457,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,531.70 : 2,511,289.17 = 1,056,487.86 : x
  2. Step 2: Convert to fraction form
    1,820,531.70/2,511,289.17 = 1,056,487.86/x
  3. Step 3: Cross multiply
    1,820,531.70x = 2,511,289.17 × 1,056,487.86
  4. Step 4: Simplify right side
    1,820,531.70x = 2,653,146,521,054.48
  5. Step 5: Solve for x
    x = 2,653,146,521,054.48/1,820,531.70
  6. Step 6: Final answer
    x = 1,457,347.06

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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.