Home / 1,587,193.32-2,189,986.02-942,830.76

Finding the Fourth Proportional to 1,587,193.32, 2,189,986.02 and 942,830.76

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Solution

The fourth proportional to 1,587,193.32, 2,189,986.02 and 942,830.76 is: 1,300,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,193.32 : 2,189,986.02 = 942,830.76 : x
  2. Step 2: Convert to fraction form
    1,587,193.32/2,189,986.02 = 942,830.76/x
  3. Step 3: Cross multiply
    1,587,193.32x = 2,189,986.02 × 942,830.76
  4. Step 4: Simplify right side
    1,587,193.32x = 2,064,786,183,625.98
  5. Step 5: Solve for x
    x = 2,064,786,183,625.98/1,587,193.32
  6. Step 6: Final answer
    x = 1,300,904.03

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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.