Home / 1,918,855.44-2,648,024.46-1,059,417.36

Finding the Fourth Proportional to 1,918,855.44, 2,648,024.46 and 1,059,417.36

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Solution

The fourth proportional to 1,918,855.44, 2,648,024.46 and 1,059,417.36 is: 1,461,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,855.44 : 2,648,024.46 = 1,059,417.36 : x
  2. Step 2: Convert to fraction form
    1,918,855.44/2,648,024.46 = 1,059,417.36/x
  3. Step 3: Cross multiply
    1,918,855.44x = 2,648,024.46 × 1,059,417.36
  4. Step 4: Simplify right side
    1,918,855.44x = 2,805,363,082,628.63
  5. Step 5: Solve for x
    x = 2,805,363,082,628.63/1,918,855.44
  6. Step 6: Final answer
    x = 1,461,998.14

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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.