Home / 1,868,644.10-2,802,966.15-1,685,592.20

Finding the Fourth Proportional to 1,868,644.10, 2,802,966.15 and 1,685,592.20

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Solution

The fourth proportional to 1,868,644.10, 2,802,966.15 and 1,685,592.20 is: 2,528,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,644.10 : 2,802,966.15 = 1,685,592.20 : x
  2. Step 2: Convert to fraction form
    1,868,644.10/2,802,966.15 = 1,685,592.20/x
  3. Step 3: Cross multiply
    1,868,644.10x = 2,802,966.15 × 1,685,592.20
  4. Step 4: Simplify right side
    1,868,644.10x = 4,724,657,879,304.03
  5. Step 5: Solve for x
    x = 4,724,657,879,304.03/1,868,644.10
  6. Step 6: Final answer
    x = 2,528,388.30

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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.