Home / 1,543,554.81-2,130,181.61-931,697.82

Finding the Fourth Proportional to 1,543,554.81, 2,130,181.61 and 931,697.82

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Solution

The fourth proportional to 1,543,554.81, 2,130,181.61 and 931,697.82 is: 1,285,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,554.81 : 2,130,181.61 = 931,697.82 : x
  2. Step 2: Convert to fraction form
    1,543,554.81/2,130,181.61 = 931,697.82/x
  3. Step 3: Cross multiply
    1,543,554.81x = 2,130,181.61 × 931,697.82
  4. Step 4: Simplify right side
    1,543,554.81x = 1,984,685,557,582.60
  5. Step 5: Solve for x
    x = 1,984,685,557,582.60/1,543,554.81
  6. Step 6: Final answer
    x = 1,285,788.85

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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.