Home / 2,020,681.16-2,788,540.02-1,377,225.44

Finding the Fourth Proportional to 2,020,681.16, 2,788,540.02 and 1,377,225.44

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Solution

The fourth proportional to 2,020,681.16, 2,788,540.02 and 1,377,225.44 is: 1,900,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,681.16 : 2,788,540.02 = 1,377,225.44 : x
  2. Step 2: Convert to fraction form
    2,020,681.16/2,788,540.02 = 1,377,225.44/x
  3. Step 3: Cross multiply
    2,020,681.16x = 2,788,540.02 × 1,377,225.44
  4. Step 4: Simplify right side
    2,020,681.16x = 3,840,448,242,059.41
  5. Step 5: Solve for x
    x = 3,840,448,242,059.41/2,020,681.16
  6. Step 6: Final answer
    x = 1,900,571.12

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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.