Home / 1,354,022.74-2,018,928.78-1,316,821.87

Finding the Fourth Proportional to 1,354,022.74, 2,018,928.78 and 1,316,821.87

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Solution

The fourth proportional to 1,354,022.74, 2,018,928.78 and 1,316,821.87 is: 1,963,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,022.74 : 2,018,928.78 = 1,316,821.87 : x
  2. Step 2: Convert to fraction form
    1,354,022.74/2,018,928.78 = 1,316,821.87/x
  3. Step 3: Cross multiply
    1,354,022.74x = 2,018,928.78 × 1,316,821.87
  4. Step 4: Simplify right side
    1,354,022.74x = 2,658,569,571,476.42
  5. Step 5: Solve for x
    x = 2,658,569,571,476.42/1,354,022.74
  6. Step 6: Final answer
    x = 1,963,460.06

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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.