Home / 2,812,587.36-3,878,819.37-1,845,350.16

Finding the Fourth Proportional to 2,812,587.36, 3,878,819.37 and 1,845,350.16

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Solution

The fourth proportional to 2,812,587.36, 3,878,819.37 and 1,845,350.16 is: 2,544,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,587.36 : 3,878,819.37 = 1,845,350.16 : x
  2. Step 2: Convert to fraction form
    2,812,587.36/3,878,819.37 = 1,845,350.16/x
  3. Step 3: Cross multiply
    2,812,587.36x = 3,878,819.37 × 1,845,350.16
  4. Step 4: Simplify right side
    2,812,587.36x = 7,157,779,945,040.60
  5. Step 5: Solve for x
    x = 7,157,779,945,040.60/2,812,587.36
  6. Step 6: Final answer
    x = 2,544,909.38

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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.