Home / 1,918,392.36-2,647,403.28-1,058,953.02

Finding the Fourth Proportional to 1,918,392.36, 2,647,403.28 and 1,058,953.02

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Solution

The fourth proportional to 1,918,392.36, 2,647,403.28 and 1,058,953.02 is: 1,461,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,392.36 : 2,647,403.28 = 1,058,953.02 : x
  2. Step 2: Convert to fraction form
    1,918,392.36/2,647,403.28 = 1,058,953.02/x
  3. Step 3: Cross multiply
    1,918,392.36x = 2,647,403.28 × 1,058,953.02
  4. Step 4: Simplify right side
    1,918,392.36x = 2,803,475,698,513.91
  5. Step 5: Solve for x
    x = 2,803,475,698,513.91/1,918,392.36
  6. Step 6: Final answer
    x = 1,461,367.21

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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.