Home / 4,920,373.60-7,380,062.08-1,326,503.84

Finding the Fourth Proportional to 4,920,373.60, 7,380,062.08 and 1,326,503.84

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Solution

The fourth proportional to 4,920,373.60, 7,380,062.08 and 1,326,503.84 is: 1,989,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,373.60 : 7,380,062.08 = 1,326,503.84 : x
  2. Step 2: Convert to fraction form
    4,920,373.60/7,380,062.08 = 1,326,503.84/x
  3. Step 3: Cross multiply
    4,920,373.60x = 7,380,062.08 × 1,326,503.84
  4. Step 4: Simplify right side
    4,920,373.60x = 9,789,680,648,341.82
  5. Step 5: Solve for x
    x = 9,789,680,648,341.82/4,920,373.60
  6. Step 6: Final answer
    x = 1,989,621.41

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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.