Home / 1,992,030.60-2,988,045.90-1,838,065.80

Finding the Fourth Proportional to 1,992,030.60, 2,988,045.90 and 1,838,065.80

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Solution

The fourth proportional to 1,992,030.60, 2,988,045.90 and 1,838,065.80 is: 2,757,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,030.60 : 2,988,045.90 = 1,838,065.80 : x
  2. Step 2: Convert to fraction form
    1,992,030.60/2,988,045.90 = 1,838,065.80/x
  3. Step 3: Cross multiply
    1,992,030.60x = 2,988,045.90 × 1,838,065.80
  4. Step 4: Simplify right side
    1,992,030.60x = 5,492,224,977,620.22
  5. Step 5: Solve for x
    x = 5,492,224,977,620.22/1,992,030.60
  6. Step 6: Final answer
    x = 2,757,098.70

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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.