Home / 1,916,722.80-2,872,642.05-1,018,594.80

Finding the Fourth Proportional to 1,916,722.80, 2,872,642.05 and 1,018,594.80

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Solution

The fourth proportional to 1,916,722.80, 2,872,642.05 and 1,018,594.80 is: 1,526,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,722.80 : 2,872,642.05 = 1,018,594.80 : x
  2. Step 2: Convert to fraction form
    1,916,722.80/2,872,642.05 = 1,018,594.80/x
  3. Step 3: Cross multiply
    1,916,722.80x = 2,872,642.05 × 1,018,594.80
  4. Step 4: Simplify right side
    1,916,722.80x = 2,926,058,254,391.34
  5. Step 5: Solve for x
    x = 2,926,058,254,391.34/1,916,722.80
  6. Step 6: Final answer
    x = 1,526,594.38

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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.