Home / 1,930,923.86-2,896,445.48-971,418.51

Finding the Fourth Proportional to 1,930,923.86, 2,896,445.48 and 971,418.51

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Solution

The fourth proportional to 1,930,923.86, 2,896,445.48 and 971,418.51 is: 1,457,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,923.86 : 2,896,445.48 = 971,418.51 : x
  2. Step 2: Convert to fraction form
    1,930,923.86/2,896,445.48 = 971,418.51/x
  3. Step 3: Cross multiply
    1,930,923.86x = 2,896,445.48 × 971,418.51
  4. Step 4: Simplify right side
    1,930,923.86x = 2,813,660,747,620.74
  5. Step 5: Solve for x
    x = 2,813,660,747,620.74/1,930,923.86
  6. Step 6: Final answer
    x = 1,457,157.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.