Home / 1,945,678.71-2,905,744.17-1,658,306.91

Finding the Fourth Proportional to 1,945,678.71, 2,905,744.17 and 1,658,306.91

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Solution

The fourth proportional to 1,945,678.71, 2,905,744.17 and 1,658,306.91 is: 2,476,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,678.71 : 2,905,744.17 = 1,658,306.91 : x
  2. Step 2: Convert to fraction form
    1,945,678.71/2,905,744.17 = 1,658,306.91/x
  3. Step 3: Cross multiply
    1,945,678.71x = 2,905,744.17 × 1,658,306.91
  4. Step 4: Simplify right side
    1,945,678.71x = 4,818,615,635,803.21
  5. Step 5: Solve for x
    x = 4,818,615,635,803.21/1,945,678.71
  6. Step 6: Final answer
    x = 2,476,573.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.