Home / 2,167,432.56-2,990,925.36-1,200,506.40

Finding the Fourth Proportional to 2,167,432.56, 2,990,925.36 and 1,200,506.40

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Solution

The fourth proportional to 2,167,432.56, 2,990,925.36 and 1,200,506.40 is: 1,656,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,432.56 : 2,990,925.36 = 1,200,506.40 : x
  2. Step 2: Convert to fraction form
    2,167,432.56/2,990,925.36 = 1,200,506.40/x
  3. Step 3: Cross multiply
    2,167,432.56x = 2,990,925.36 × 1,200,506.40
  4. Step 4: Simplify right side
    2,167,432.56x = 3,590,625,036,602.30
  5. Step 5: Solve for x
    x = 3,590,625,036,602.30/2,167,432.56
  6. Step 6: Final answer
    x = 1,656,625.96

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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.