Home / 2,127,258.74-3,190,915.89-707,314.81

Finding the Fourth Proportional to 2,127,258.74, 3,190,915.89 and 707,314.81

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Solution

The fourth proportional to 2,127,258.74, 3,190,915.89 and 707,314.81 is: 1,060,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,258.74 : 3,190,915.89 = 707,314.81 : x
  2. Step 2: Convert to fraction form
    2,127,258.74/3,190,915.89 = 707,314.81/x
  3. Step 3: Cross multiply
    2,127,258.74x = 3,190,915.89 × 707,314.81
  4. Step 4: Simplify right side
    2,127,258.74x = 2,256,982,066,461.33
  5. Step 5: Solve for x
    x = 2,256,982,066,461.33/2,127,258.74
  6. Step 6: Final answer
    x = 1,060,981.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.