Home / 4,920,963.40-7,381,445.10-3,698,649.10

Finding the Fourth Proportional to 4,920,963.40, 7,381,445.10 and 3,698,649.10

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Solution

The fourth proportional to 4,920,963.40, 7,381,445.10 and 3,698,649.10 is: 5,547,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,963.40 : 7,381,445.10 = 3,698,649.10 : x
  2. Step 2: Convert to fraction form
    4,920,963.40/7,381,445.10 = 3,698,649.10/x
  3. Step 3: Cross multiply
    4,920,963.40x = 7,381,445.10 × 3,698,649.10
  4. Step 4: Simplify right side
    4,920,963.40x = 27,301,375,275,814.41
  5. Step 5: Solve for x
    x = 27,301,375,275,814.41/4,920,963.40
  6. Step 6: Final answer
    x = 5,547,973.65

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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.