Home / 4,140,007.20-6,210,010.80-3,478,658.40

Finding the Fourth Proportional to 4,140,007.20, 6,210,010.80 and 3,478,658.40

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Solution

The fourth proportional to 4,140,007.20, 6,210,010.80 and 3,478,658.40 is: 5,217,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140,007.20 : 6,210,010.80 = 3,478,658.40 : x
  2. Step 2: Convert to fraction form
    4,140,007.20/6,210,010.80 = 3,478,658.40/x
  3. Step 3: Cross multiply
    4,140,007.20x = 6,210,010.80 × 3,478,658.40
  4. Step 4: Simplify right side
    4,140,007.20x = 21,602,506,233,510.72
  5. Step 5: Solve for x
    x = 21,602,506,233,510.72/4,140,007.20
  6. Step 6: Final answer
    x = 5,217,987.60

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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.