Home / 4,878,416-6,728,423.16-3,330,922.40

Finding the Fourth Proportional to 4,878,416, 6,728,423.16 and 3,330,922.40

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Solution

The fourth proportional to 4,878,416, 6,728,423.16 and 3,330,922.40 is: 4,594,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,416 : 6,728,423.16 = 3,330,922.40 : x
  2. Step 2: Convert to fraction form
    4,878,416/6,728,423.16 = 3,330,922.40/x
  3. Step 3: Cross multiply
    4,878,416x = 6,728,423.16 × 3,330,922.40
  4. Step 4: Simplify right side
    4,878,416x = 22,411,855,420,322.79
  5. Step 5: Solve for x
    x = 22,411,855,420,322.79/4,878,416
  6. Step 6: Final answer
    x = 4,594,084.52

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1.5x scale

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.