Home / 6,440,570.79-8,888,007.08-3,540,258.87

Finding the Fourth Proportional to 6,440,570.79, 8,888,007.08 and 3,540,258.87

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Solution

The fourth proportional to 6,440,570.79, 8,888,007.08 and 3,540,258.87 is: 4,885,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,570.79 : 8,888,007.08 = 3,540,258.87 : x
  2. Step 2: Convert to fraction form
    6,440,570.79/8,888,007.08 = 3,540,258.87/x
  3. Step 3: Cross multiply
    6,440,570.79x = 8,888,007.08 × 3,540,258.87
  4. Step 4: Simplify right side
    6,440,570.79x = 31,465,845,877,113.42
  5. Step 5: Solve for x
    x = 31,465,845,877,113.42/6,440,570.79
  6. Step 6: Final answer
    x = 4,885,567.90

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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.