Home / 1,556,472-2,147,931.36-841,080

Finding the Fourth Proportional to 1,556,472, 2,147,931.36 and 841,080

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Solution

The fourth proportional to 1,556,472, 2,147,931.36 and 841,080 is: 1,160,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,472 : 2,147,931.36 = 841,080 : x
  2. Step 2: Convert to fraction form
    1,556,472/2,147,931.36 = 841,080/x
  3. Step 3: Cross multiply
    1,556,472x = 2,147,931.36 × 841,080
  4. Step 4: Simplify right side
    1,556,472x = 1,806,582,108,268.80
  5. Step 5: Solve for x
    x = 1,806,582,108,268.80/1,556,472
  6. Step 6: Final answer
    x = 1,160,690.40

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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.