Home / 2,151,051.87-2,968,360.64-1,170,970.52

Finding the Fourth Proportional to 2,151,051.87, 2,968,360.64 and 1,170,970.52

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Solution

The fourth proportional to 2,151,051.87, 2,968,360.64 and 1,170,970.52 is: 1,615,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,051.87 : 2,968,360.64 = 1,170,970.52 : x
  2. Step 2: Convert to fraction form
    2,151,051.87/2,968,360.64 = 1,170,970.52/x
  3. Step 3: Cross multiply
    2,151,051.87x = 2,968,360.64 × 1,170,970.52
  4. Step 4: Simplify right side
    2,151,051.87x = 3,475,862,796,313.48
  5. Step 5: Solve for x
    x = 3,475,862,796,313.48/2,151,051.87
  6. Step 6: Final answer
    x = 1,615,889.81

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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.