Home / 1,720,017.95-2,373,564.92-1,108,196.51

Finding the Fourth Proportional to 1,720,017.95, 2,373,564.92 and 1,108,196.51

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Solution

The fourth proportional to 1,720,017.95, 2,373,564.92 and 1,108,196.51 is: 1,529,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,017.95 : 2,373,564.92 = 1,108,196.51 : x
  2. Step 2: Convert to fraction form
    1,720,017.95/2,373,564.92 = 1,108,196.51/x
  3. Step 3: Cross multiply
    1,720,017.95x = 2,373,564.92 × 1,108,196.51
  4. Step 4: Simplify right side
    1,720,017.95x = 2,630,376,343,193.62
  5. Step 5: Solve for x
    x = 2,630,376,343,193.62/1,720,017.95
  6. Step 6: Final answer
    x = 1,529,272.62

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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.