Home / 3,128,850-4,317,813-1,698,066

Finding the Fourth Proportional to 3,128,850, 4,317,813 and 1,698,066

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Solution

The fourth proportional to 3,128,850, 4,317,813 and 1,698,066 is: 2,343,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,850 : 4,317,813 = 1,698,066 : x
  2. Step 2: Convert to fraction form
    3,128,850/4,317,813 = 1,698,066/x
  3. Step 3: Cross multiply
    3,128,850x = 4,317,813 × 1,698,066
  4. Step 4: Simplify right side
    3,128,850x = 7,331,931,449,658
  5. Step 5: Solve for x
    x = 7,331,931,449,658/3,128,850
  6. Step 6: Final answer
    x = 2,343,331.08

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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.