Home / 5,352,830.55-7,386,913.80-2,905,442.55

Finding the Fourth Proportional to 5,352,830.55, 7,386,913.80 and 2,905,442.55

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Solution

The fourth proportional to 5,352,830.55, 7,386,913.80 and 2,905,442.55 is: 4,009,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352,830.55 : 7,386,913.80 = 2,905,442.55 : x
  2. Step 2: Convert to fraction form
    5,352,830.55/7,386,913.80 = 2,905,442.55/x
  3. Step 3: Cross multiply
    5,352,830.55x = 7,386,913.80 × 2,905,442.55
  4. Step 4: Simplify right side
    5,352,830.55x = 21,462,253,667,702.19
  5. Step 5: Solve for x
    x = 21,462,253,667,702.19/5,352,830.55
  6. Step 6: Final answer
    x = 4,009,514.87

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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.