Home / 3,118,437-4,303,443.06-1,687,653

Finding the Fourth Proportional to 3,118,437, 4,303,443.06 and 1,687,653

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Solution

The fourth proportional to 3,118,437, 4,303,443.06 and 1,687,653 is: 2,328,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,437 : 4,303,443.06 = 1,687,653 : x
  2. Step 2: Convert to fraction form
    3,118,437/4,303,443.06 = 1,687,653/x
  3. Step 3: Cross multiply
    3,118,437x = 4,303,443.06 × 1,687,653
  4. Step 4: Simplify right side
    3,118,437x = 7,262,718,590,538.18
  5. Step 5: Solve for x
    x = 7,262,718,590,538.18/3,118,437
  6. Step 6: Final answer
    x = 2,328,961.14

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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.