Home / 3,118,383-4,303,368.54-1,687,599

Finding the Fourth Proportional to 3,118,383, 4,303,368.54 and 1,687,599

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Solution

The fourth proportional to 3,118,383, 4,303,368.54 and 1,687,599 is: 2,328,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,383 : 4,303,368.54 = 1,687,599 : x
  2. Step 2: Convert to fraction form
    3,118,383/4,303,368.54 = 1,687,599/x
  3. Step 3: Cross multiply
    3,118,383x = 4,303,368.54 × 1,687,599
  4. Step 4: Simplify right side
    3,118,383x = 7,262,360,444,735.46
  5. Step 5: Solve for x
    x = 7,262,360,444,735.46/3,118,383
  6. Step 6: Final answer
    x = 2,328,886.62

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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.