Home / 2,927,897.68-4,039,577.76-1,638,533.20

Finding the Fourth Proportional to 2,927,897.68, 4,039,577.76 and 1,638,533.20

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Solution

The fourth proportional to 2,927,897.68, 4,039,577.76 and 1,638,533.20 is: 2,260,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,897.68 : 4,039,577.76 = 1,638,533.20 : x
  2. Step 2: Convert to fraction form
    2,927,897.68/4,039,577.76 = 1,638,533.20/x
  3. Step 3: Cross multiply
    2,927,897.68x = 4,039,577.76 × 1,638,533.20
  4. Step 4: Simplify right side
    2,927,897.68x = 6,618,982,273,741.63
  5. Step 5: Solve for x
    x = 6,618,982,273,741.63/2,927,897.68
  6. Step 6: Final answer
    x = 2,260,660.38

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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.