Home / 2,114,895.78-2,918,605.50-1,255,459.32

Finding the Fourth Proportional to 2,114,895.78, 2,918,605.50 and 1,255,459.32

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Solution

The fourth proportional to 2,114,895.78, 2,918,605.50 and 1,255,459.32 is: 1,732,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,895.78 : 2,918,605.50 = 1,255,459.32 : x
  2. Step 2: Convert to fraction form
    2,114,895.78/2,918,605.50 = 1,255,459.32/x
  3. Step 3: Cross multiply
    2,114,895.78x = 2,918,605.50 × 1,255,459.32
  4. Step 4: Simplify right side
    2,114,895.78x = 3,664,190,476,378.26
  5. Step 5: Solve for x
    x = 3,664,190,476,378.26/2,114,895.78
  6. Step 6: Final answer
    x = 1,732,563.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.