Home / 5,091,795.36-7,026,858-2,800,130.40

Finding the Fourth Proportional to 5,091,795.36, 7,026,858 and 2,800,130.40

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Solution

The fourth proportional to 5,091,795.36, 7,026,858 and 2,800,130.40 is: 3,864,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091,795.36 : 7,026,858 = 2,800,130.40 : x
  2. Step 2: Convert to fraction form
    5,091,795.36/7,026,858 = 2,800,130.40/x
  3. Step 3: Cross multiply
    5,091,795.36x = 7,026,858 × 2,800,130.40
  4. Step 4: Simplify right side
    5,091,795.36x = 19,676,118,702,283.20
  5. Step 5: Solve for x
    x = 19,676,118,702,283.20/5,091,795.36
  6. Step 6: Final answer
    x = 3,864,279.16

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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.