Home / 1,621,410.60-2,237,768.88-933,068.28

Finding the Fourth Proportional to 1,621,410.60, 2,237,768.88 and 933,068.28

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Solution

The fourth proportional to 1,621,410.60, 2,237,768.88 and 933,068.28 is: 1,287,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,410.60 : 2,237,768.88 = 933,068.28 : x
  2. Step 2: Convert to fraction form
    1,621,410.60/2,237,768.88 = 933,068.28/x
  3. Step 3: Cross multiply
    1,621,410.60x = 2,237,768.88 × 933,068.28
  4. Step 4: Simplify right side
    1,621,410.60x = 2,087,991,159,899.13
  5. Step 5: Solve for x
    x = 2,087,991,159,899.13/1,621,410.60
  6. Step 6: Final answer
    x = 1,287,762.13

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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.