Home / 1,710,122.90-2,562,419.55-1,077,905.30

Finding the Fourth Proportional to 1,710,122.90, 2,562,419.55 and 1,077,905.30

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Solution

The fourth proportional to 1,710,122.90, 2,562,419.55 and 1,077,905.30 is: 1,615,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,122.90 : 2,562,419.55 = 1,077,905.30 : x
  2. Step 2: Convert to fraction form
    1,710,122.90/2,562,419.55 = 1,077,905.30/x
  3. Step 3: Cross multiply
    1,710,122.90x = 2,562,419.55 × 1,077,905.30
  4. Step 4: Simplify right side
    1,710,122.90x = 2,762,045,613,768.61
  5. Step 5: Solve for x
    x = 2,762,045,613,768.61/1,710,122.90
  6. Step 6: Final answer
    x = 1,615,115.27

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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.