Home / 2,177,507.87-3,005,009.64-1,197,384.77

Finding the Fourth Proportional to 2,177,507.87, 3,005,009.64 and 1,197,384.77

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Solution

The fourth proportional to 2,177,507.87, 3,005,009.64 and 1,197,384.77 is: 1,652,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,507.87 : 3,005,009.64 = 1,197,384.77 : x
  2. Step 2: Convert to fraction form
    2,177,507.87/3,005,009.64 = 1,197,384.77/x
  3. Step 3: Cross multiply
    2,177,507.87x = 3,005,009.64 × 1,197,384.77
  4. Step 4: Simplify right side
    2,177,507.87x = 3,598,152,776,639.18
  5. Step 5: Solve for x
    x = 3,598,152,776,639.18/2,177,507.87
  6. Step 6: Final answer
    x = 1,652,417.81

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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.