Home / 3,118,398-4,303,389.27-1,687,614

Finding the Fourth Proportional to 3,118,398, 4,303,389.27 and 1,687,614

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Solution

The fourth proportional to 3,118,398, 4,303,389.27 and 1,687,614 is: 2,328,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,398 : 4,303,389.27 = 1,687,614 : x
  2. Step 2: Convert to fraction form
    3,118,398/4,303,389.27 = 1,687,614/x
  3. Step 3: Cross multiply
    3,118,398x = 4,303,389.27 × 1,687,614
  4. Step 4: Simplify right side
    3,118,398x = 7,262,459,979,501.78
  5. Step 5: Solve for x
    x = 7,262,459,979,501.78/3,118,398
  6. Step 6: Final answer
    x = 2,328,907.34

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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.