Home / 2,759,968.60-4,139,952.90-866,901.40

Finding the Fourth Proportional to 2,759,968.60, 4,139,952.90 and 866,901.40

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Solution

The fourth proportional to 2,759,968.60, 4,139,952.90 and 866,901.40 is: 1,300,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,968.60 : 4,139,952.90 = 866,901.40 : x
  2. Step 2: Convert to fraction form
    2,759,968.60/4,139,952.90 = 866,901.40/x
  3. Step 3: Cross multiply
    2,759,968.60x = 4,139,952.90 × 866,901.40
  4. Step 4: Simplify right side
    2,759,968.60x = 3,588,930,964,944.06
  5. Step 5: Solve for x
    x = 3,588,930,964,944.06/2,759,968.60
  6. Step 6: Final answer
    x = 1,300,352.10

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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.