Home / 1,977,790.32-2,966,685.36-715,322.64

Finding the Fourth Proportional to 1,977,790.32, 2,966,685.36 and 715,322.64

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Solution

The fourth proportional to 1,977,790.32, 2,966,685.36 and 715,322.64 is: 1,072,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,790.32 : 2,966,685.36 = 715,322.64 : x
  2. Step 2: Convert to fraction form
    1,977,790.32/2,966,685.36 = 715,322.64/x
  3. Step 3: Cross multiply
    1,977,790.32x = 2,966,685.36 × 715,322.64
  4. Step 4: Simplify right side
    1,977,790.32x = 2,122,137,203,764.55
  5. Step 5: Solve for x
    x = 2,122,137,203,764.55/1,977,790.32
  6. Step 6: Final answer
    x = 1,072,983.92

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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.