Home / 2,931,377.60-4,397,066.40-2,458,985.60

Finding the Fourth Proportional to 2,931,377.60, 4,397,066.40 and 2,458,985.60

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Solution

The fourth proportional to 2,931,377.60, 4,397,066.40 and 2,458,985.60 is: 3,688,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,377.60 : 4,397,066.40 = 2,458,985.60 : x
  2. Step 2: Convert to fraction form
    2,931,377.60/4,397,066.40 = 2,458,985.60/x
  3. Step 3: Cross multiply
    2,931,377.60x = 4,397,066.40 × 2,458,985.60
  4. Step 4: Simplify right side
    2,931,377.60x = 10,812,322,959,843.84
  5. Step 5: Solve for x
    x = 10,812,322,959,843.84/2,931,377.60
  6. Step 6: Final answer
    x = 3,688,478.40

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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.