Home / 2,911,985.46-4,017,356.25-1,932,386.45

Finding the Fourth Proportional to 2,911,985.46, 4,017,356.25 and 1,932,386.45

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Solution

The fourth proportional to 2,911,985.46, 4,017,356.25 and 1,932,386.45 is: 2,665,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,985.46 : 4,017,356.25 = 1,932,386.45 : x
  2. Step 2: Convert to fraction form
    2,911,985.46/4,017,356.25 = 1,932,386.45/x
  3. Step 3: Cross multiply
    2,911,985.46x = 4,017,356.25 × 1,932,386.45
  4. Step 4: Simplify right side
    2,911,985.46x = 7,763,084,762,236.03
  5. Step 5: Solve for x
    x = 7,763,084,762,236.03/2,911,985.46
  6. Step 6: Final answer
    x = 2,665,907.80

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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.