Home / 1,856,368.34-2,561,631.78-1,029,465.62

Finding the Fourth Proportional to 1,856,368.34, 2,561,631.78 and 1,029,465.62

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Solution

The fourth proportional to 1,856,368.34, 2,561,631.78 and 1,029,465.62 is: 1,420,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,368.34 : 2,561,631.78 = 1,029,465.62 : x
  2. Step 2: Convert to fraction form
    1,856,368.34/2,561,631.78 = 1,029,465.62/x
  3. Step 3: Cross multiply
    1,856,368.34x = 2,561,631.78 × 1,029,465.62
  4. Step 4: Simplify right side
    1,856,368.34x = 2,637,111,848,609.40
  5. Step 5: Solve for x
    x = 2,637,111,848,609.40/1,856,368.34
  6. Step 6: Final answer
    x = 1,420,575.75

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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.