Home / 1,931,534.81-2,665,519.73-1,157,615.18

Finding the Fourth Proportional to 1,931,534.81, 2,665,519.73 and 1,157,615.18

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Solution

The fourth proportional to 1,931,534.81, 2,665,519.73 and 1,157,615.18 is: 1,597,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,534.81 : 2,665,519.73 = 1,157,615.18 : x
  2. Step 2: Convert to fraction form
    1,931,534.81/2,665,519.73 = 1,157,615.18/x
  3. Step 3: Cross multiply
    1,931,534.81x = 2,665,519.73 × 1,157,615.18
  4. Step 4: Simplify right side
    1,931,534.81x = 3,085,646,082,921.83
  5. Step 5: Solve for x
    x = 3,085,646,082,921.83/1,931,534.81
  6. Step 6: Final answer
    x = 1,597,509.96

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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.