Home / 2,113,316.90-2,916,377.32-1,207,918.34

Finding the Fourth Proportional to 2,113,316.90, 2,916,377.32 and 1,207,918.34

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Solution

The fourth proportional to 2,113,316.90, 2,916,377.32 and 1,207,918.34 is: 1,666,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,316.90 : 2,916,377.32 = 1,207,918.34 : x
  2. Step 2: Convert to fraction form
    2,113,316.90/2,916,377.32 = 1,207,918.34/x
  3. Step 3: Cross multiply
    2,113,316.90x = 2,916,377.32 × 1,207,918.34
  4. Step 4: Simplify right side
    2,113,316.90x = 3,522,745,651,188.05
  5. Step 5: Solve for x
    x = 3,522,745,651,188.05/2,113,316.90
  6. Step 6: Final answer
    x = 1,666,927.31

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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.