Home / 1,693,547.21-2,337,096.31-919,178.07

Finding the Fourth Proportional to 1,693,547.21, 2,337,096.31 and 919,178.07

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Solution

The fourth proportional to 1,693,547.21, 2,337,096.31 and 919,178.07 is: 1,268,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,547.21 : 2,337,096.31 = 919,178.07 : x
  2. Step 2: Convert to fraction form
    1,693,547.21/2,337,096.31 = 919,178.07/x
  3. Step 3: Cross multiply
    1,693,547.21x = 2,337,096.31 × 919,178.07
  4. Step 4: Simplify right side
    1,693,547.21x = 2,148,207,676,311.33
  5. Step 5: Solve for x
    x = 2,148,207,676,311.33/1,693,547.21
  6. Step 6: Final answer
    x = 1,268,466.36

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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.