Home / 3,149,673.80-4,724,510.70-1,947,698.60

Finding the Fourth Proportional to 3,149,673.80, 4,724,510.70 and 1,947,698.60

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Solution

The fourth proportional to 3,149,673.80, 4,724,510.70 and 1,947,698.60 is: 2,921,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,673.80 : 4,724,510.70 = 1,947,698.60 : x
  2. Step 2: Convert to fraction form
    3,149,673.80/4,724,510.70 = 1,947,698.60/x
  3. Step 3: Cross multiply
    3,149,673.80x = 4,724,510.70 × 1,947,698.60
  4. Step 4: Simplify right side
    3,149,673.80x = 9,201,922,876,075.02
  5. Step 5: Solve for x
    x = 9,201,922,876,075.02/3,149,673.80
  6. Step 6: Final answer
    x = 2,921,547.90

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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.