Home / 1,625,347.98-2,242,996.70-980,643.60

Finding the Fourth Proportional to 1,625,347.98, 2,242,996.70 and 980,643.60

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Solution

The fourth proportional to 1,625,347.98, 2,242,996.70 and 980,643.60 is: 1,353,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,347.98 : 2,242,996.70 = 980,643.60 : x
  2. Step 2: Convert to fraction form
    1,625,347.98/2,242,996.70 = 980,643.60/x
  3. Step 3: Cross multiply
    1,625,347.98x = 2,242,996.70 × 980,643.60
  4. Step 4: Simplify right side
    1,625,347.98x = 2,199,580,353,772.90
  5. Step 5: Solve for x
    x = 2,199,580,353,772.90/1,625,347.98
  6. Step 6: Final answer
    x = 1,353,298.11

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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.