Home / 1,966,445.32-2,949,706.88-618,579.40

Finding the Fourth Proportional to 1,966,445.32, 2,949,706.88 and 618,579.40

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Solution

The fourth proportional to 1,966,445.32, 2,949,706.88 and 618,579.40 is: 927,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,445.32 : 2,949,706.88 = 618,579.40 : x
  2. Step 2: Convert to fraction form
    1,966,445.32/2,949,706.88 = 618,579.40/x
  3. Step 3: Cross multiply
    1,966,445.32x = 2,949,706.88 × 618,579.40
  4. Step 4: Simplify right side
    1,966,445.32x = 1,824,627,912,006.27
  5. Step 5: Solve for x
    x = 1,824,627,912,006.27/1,966,445.32
  6. Step 6: Final answer
    x = 927,881.34

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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.