Home / 1,851,895.78-2,778,109.80-572,603.02

Finding the Fourth Proportional to 1,851,895.78, 2,778,109.80 and 572,603.02

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Solution

The fourth proportional to 1,851,895.78, 2,778,109.80 and 572,603.02 is: 858,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,895.78 : 2,778,109.80 = 572,603.02 : x
  2. Step 2: Convert to fraction form
    1,851,895.78/2,778,109.80 = 572,603.02/x
  3. Step 3: Cross multiply
    1,851,895.78x = 2,778,109.80 × 572,603.02
  4. Step 4: Simplify right side
    1,851,895.78x = 1,590,754,061,371.60
  5. Step 5: Solve for x
    x = 1,590,754,061,371.60/1,851,895.78
  6. Step 6: Final answer
    x = 858,986.82

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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.