Home / 2,578,485.02-3,558,420.05-1,432,565.37

Finding the Fourth Proportional to 2,578,485.02, 3,558,420.05 and 1,432,565.37

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Solution

The fourth proportional to 2,578,485.02, 3,558,420.05 and 1,432,565.37 is: 1,977,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,485.02 : 3,558,420.05 = 1,432,565.37 : x
  2. Step 2: Convert to fraction form
    2,578,485.02/3,558,420.05 = 1,432,565.37/x
  3. Step 3: Cross multiply
    2,578,485.02x = 3,558,420.05 × 1,432,565.37
  4. Step 4: Simplify right side
    2,578,485.02x = 5,097,669,324,416.49
  5. Step 5: Solve for x
    x = 5,097,669,324,416.49/2,578,485.02
  6. Step 6: Final answer
    x = 1,977,001.72

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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.