Home / 4,890,782.20-7,341,702.90-2,897,361.40

Finding the Fourth Proportional to 4,890,782.20, 7,341,702.90 and 2,897,361.40

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Solution

The fourth proportional to 4,890,782.20, 7,341,702.90 and 2,897,361.40 is: 4,349,317.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,782.20 : 7,341,702.90 = 2,897,361.40 : x
  2. Step 2: Convert to fraction form
    4,890,782.20/7,341,702.90 = 2,897,361.40/x
  3. Step 3: Cross multiply
    4,890,782.20x = 7,341,702.90 × 2,897,361.40
  4. Step 4: Simplify right side
    4,890,782.20x = 21,271,566,592,728.06
  5. Step 5: Solve for x
    x = 21,271,566,592,728.06/4,890,782.20
  6. Step 6: Final answer
    x = 4,349,317.91

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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.