Home / 2,778,173.86-4,164,419.07-1,879,710.46

Finding the Fourth Proportional to 2,778,173.86, 4,164,419.07 and 1,879,710.46

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Solution

The fourth proportional to 2,778,173.86, 4,164,419.07 and 1,879,710.46 is: 2,817,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,173.86 : 4,164,419.07 = 1,879,710.46 : x
  2. Step 2: Convert to fraction form
    2,778,173.86/4,164,419.07 = 1,879,710.46/x
  3. Step 3: Cross multiply
    2,778,173.86x = 4,164,419.07 × 1,879,710.46
  4. Step 4: Simplify right side
    2,778,173.86x = 7,827,902,085,702.47
  5. Step 5: Solve for x
    x = 7,827,902,085,702.47/2,778,173.86
  6. Step 6: Final answer
    x = 2,817,642.98

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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.