Home / 2,927,477.75-4,039,832.51-1,620,788.03

Finding the Fourth Proportional to 2,927,477.75, 4,039,832.51 and 1,620,788.03

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Solution

The fourth proportional to 2,927,477.75, 4,039,832.51 and 1,620,788.03 is: 2,236,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,477.75 : 4,039,832.51 = 1,620,788.03 : x
  2. Step 2: Convert to fraction form
    2,927,477.75/4,039,832.51 = 1,620,788.03/x
  3. Step 3: Cross multiply
    2,927,477.75x = 4,039,832.51 × 1,620,788.03
  4. Step 4: Simplify right side
    2,927,477.75x = 6,547,712,147,109.75
  5. Step 5: Solve for x
    x = 6,547,712,147,109.75/2,927,477.75
  6. Step 6: Final answer
    x = 2,236,639.43

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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.