Home / 2,153,407.60-2,971,663.32-1,186,627.12

Finding the Fourth Proportional to 2,153,407.60, 2,971,663.32 and 1,186,627.12

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Solution

The fourth proportional to 2,153,407.60, 2,971,663.32 and 1,186,627.12 is: 1,637,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,407.60 : 2,971,663.32 = 1,186,627.12 : x
  2. Step 2: Convert to fraction form
    2,153,407.60/2,971,663.32 = 1,186,627.12/x
  3. Step 3: Cross multiply
    2,153,407.60x = 2,971,663.32 × 1,186,627.12
  4. Step 4: Simplify right side
    2,153,407.60x = 3,526,256,287,021.24
  5. Step 5: Solve for x
    x = 3,526,256,287,021.24/2,153,407.60
  6. Step 6: Final answer
    x = 1,637,523.84

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1.5x scale

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.