Home / 4,920,663.90-7,383,069.45-2,678,411.10

Finding the Fourth Proportional to 4,920,663.90, 7,383,069.45 and 2,678,411.10

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Solution

The fourth proportional to 4,920,663.90, 7,383,069.45 and 2,678,411.10 is: 4,018,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,663.90 : 7,383,069.45 = 2,678,411.10 : x
  2. Step 2: Convert to fraction form
    4,920,663.90/7,383,069.45 = 2,678,411.10/x
  3. Step 3: Cross multiply
    4,920,663.90x = 7,383,069.45 × 2,678,411.10
  4. Step 4: Simplify right side
    4,920,663.90x = 19,774,895,166,950.89
  5. Step 5: Solve for x
    x = 19,774,895,166,950.89/4,920,663.90
  6. Step 6: Final answer
    x = 4,018,745.35

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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.