Home / 1,973,802.47-2,722,710.44-1,188,321.57

Finding the Fourth Proportional to 1,973,802.47, 2,722,710.44 and 1,188,321.57

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Solution

The fourth proportional to 1,973,802.47, 2,722,710.44 and 1,188,321.57 is: 1,639,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,802.47 : 2,722,710.44 = 1,188,321.57 : x
  2. Step 2: Convert to fraction form
    1,973,802.47/2,722,710.44 = 1,188,321.57/x
  3. Step 3: Cross multiply
    1,973,802.47x = 2,722,710.44 × 1,188,321.57
  4. Step 4: Simplify right side
    1,973,802.47x = 3,235,455,547,686.99
  5. Step 5: Solve for x
    x = 3,235,455,547,686.99/1,973,802.47
  6. Step 6: Final answer
    x = 1,639,199.26

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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.