Home / 1,916,764.56-2,645,142.48-1,057,312.44

Finding the Fourth Proportional to 1,916,764.56, 2,645,142.48 and 1,057,312.44

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Solution

The fourth proportional to 1,916,764.56, 2,645,142.48 and 1,057,312.44 is: 1,459,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,764.56 : 2,645,142.48 = 1,057,312.44 : x
  2. Step 2: Convert to fraction form
    1,916,764.56/2,645,142.48 = 1,057,312.44/x
  3. Step 3: Cross multiply
    1,916,764.56x = 2,645,142.48 × 1,057,312.44
  4. Step 4: Simplify right side
    1,916,764.56x = 2,796,742,049,676.45
  5. Step 5: Solve for x
    x = 2,796,742,049,676.45/1,916,764.56
  6. Step 6: Final answer
    x = 1,459,095.24

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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.