Home / 2,157,169.48-2,977,971.64-1,341,636.05

Finding the Fourth Proportional to 2,157,169.48, 2,977,971.64 and 1,341,636.05

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Solution

The fourth proportional to 2,157,169.48, 2,977,971.64 and 1,341,636.05 is: 1,852,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,169.48 : 2,977,971.64 = 1,341,636.05 : x
  2. Step 2: Convert to fraction form
    2,157,169.48/2,977,971.64 = 1,341,636.05/x
  3. Step 3: Cross multiply
    2,157,169.48x = 2,977,971.64 × 1,341,636.05
  4. Step 4: Simplify right side
    2,157,169.48x = 3,995,354,112,192.46
  5. Step 5: Solve for x
    x = 3,995,354,112,192.46/2,157,169.48
  6. Step 6: Final answer
    x = 1,852,128.06

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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.