Home / 1,851,897.78-2,778,112.80-572,605.02

Finding the Fourth Proportional to 1,851,897.78, 2,778,112.80 and 572,605.02

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Solution

The fourth proportional to 1,851,897.78, 2,778,112.80 and 572,605.02 is: 858,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,897.78 : 2,778,112.80 = 572,605.02 : x
  2. Step 2: Convert to fraction form
    1,851,897.78/2,778,112.80 = 572,605.02/x
  3. Step 3: Cross multiply
    1,851,897.78x = 2,778,112.80 × 572,605.02
  4. Step 4: Simplify right side
    1,851,897.78x = 1,590,761,335,406.26
  5. Step 5: Solve for x
    x = 1,590,761,335,406.26/1,851,897.78
  6. Step 6: Final answer
    x = 858,989.82

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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.