Home / 4,938,686.10-7,408,029.15-2,812,922.10

Finding the Fourth Proportional to 4,938,686.10, 7,408,029.15 and 2,812,922.10

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Solution

The fourth proportional to 4,938,686.10, 7,408,029.15 and 2,812,922.10 is: 4,219,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,686.10 : 7,408,029.15 = 2,812,922.10 : x
  2. Step 2: Convert to fraction form
    4,938,686.10/7,408,029.15 = 2,812,922.10/x
  3. Step 3: Cross multiply
    4,938,686.10x = 7,408,029.15 × 2,812,922.10
  4. Step 4: Simplify right side
    4,938,686.10x = 20,838,208,913,479.21
  5. Step 5: Solve for x
    x = 20,838,208,913,479.21/4,938,686.10
  6. Step 6: Final answer
    x = 4,219,383.15

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1.5x scale

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.