Home / 1,931,417.68-2,665,634.09-1,157,081.64

Finding the Fourth Proportional to 1,931,417.68, 2,665,634.09 and 1,157,081.64

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Solution

The fourth proportional to 1,931,417.68, 2,665,634.09 and 1,157,081.64 is: 1,596,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,417.68 : 2,665,634.09 = 1,157,081.64 : x
  2. Step 2: Convert to fraction form
    1,931,417.68/2,665,634.09 = 1,157,081.64/x
  3. Step 3: Cross multiply
    1,931,417.68x = 2,665,634.09 × 1,157,081.64
  4. Step 4: Simplify right side
    1,931,417.68x = 3,084,356,258,711.70
  5. Step 5: Solve for x
    x = 3,084,356,258,711.70/1,931,417.68
  6. Step 6: Final answer
    x = 1,596,939.02

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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.