Home / 1,908,830.67-2,634,188-1,049,405.55

Finding the Fourth Proportional to 1,908,830.67, 2,634,188 and 1,049,405.55

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Solution

The fourth proportional to 1,908,830.67, 2,634,188 and 1,049,405.55 is: 1,448,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,830.67 : 2,634,188 = 1,049,405.55 : x
  2. Step 2: Convert to fraction form
    1,908,830.67/2,634,188 = 1,049,405.55/x
  3. Step 3: Cross multiply
    1,908,830.67x = 2,634,188 × 1,049,405.55
  4. Step 4: Simplify right side
    1,908,830.67x = 2,764,331,506,943.40
  5. Step 5: Solve for x
    x = 2,764,331,506,943.40/1,908,830.67
  6. Step 6: Final answer
    x = 1,448,180.58

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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.