Home / 2,028,638.16-2,796,119.28-1,619,428.32

Finding the Fourth Proportional to 2,028,638.16, 2,796,119.28 and 1,619,428.32

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Solution

The fourth proportional to 2,028,638.16, 2,796,119.28 and 1,619,428.32 is: 2,232,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,638.16 : 2,796,119.28 = 1,619,428.32 : x
  2. Step 2: Convert to fraction form
    2,028,638.16/2,796,119.28 = 1,619,428.32/x
  3. Step 3: Cross multiply
    2,028,638.16x = 2,796,119.28 × 1,619,428.32
  4. Step 4: Simplify right side
    2,028,638.16x = 4,528,114,748,130.01
  5. Step 5: Solve for x
    x = 4,528,114,748,130.01/2,028,638.16
  6. Step 6: Final answer
    x = 2,232,095.82

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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.