Home / 1,968,618.60-2,952,927.90-1,931,293.80

Finding the Fourth Proportional to 1,968,618.60, 2,952,927.90 and 1,931,293.80

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Solution

The fourth proportional to 1,968,618.60, 2,952,927.90 and 1,931,293.80 is: 2,896,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,618.60 : 2,952,927.90 = 1,931,293.80 : x
  2. Step 2: Convert to fraction form
    1,968,618.60/2,952,927.90 = 1,931,293.80/x
  3. Step 3: Cross multiply
    1,968,618.60x = 2,952,927.90 × 1,931,293.80
  4. Step 4: Simplify right side
    1,968,618.60x = 5,702,971,345,117.02
  5. Step 5: Solve for x
    x = 5,702,971,345,117.02/1,968,618.60
  6. Step 6: Final answer
    x = 2,896,940.70

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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.