Home / 2,689,416.40-4,034,124.60-1,006,430.80

Finding the Fourth Proportional to 2,689,416.40, 4,034,124.60 and 1,006,430.80

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Solution

The fourth proportional to 2,689,416.40, 4,034,124.60 and 1,006,430.80 is: 1,509,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,416.40 : 4,034,124.60 = 1,006,430.80 : x
  2. Step 2: Convert to fraction form
    2,689,416.40/4,034,124.60 = 1,006,430.80/x
  3. Step 3: Cross multiply
    2,689,416.40x = 4,034,124.60 × 1,006,430.80
  4. Step 4: Simplify right side
    2,689,416.40x = 4,060,067,248,477.68
  5. Step 5: Solve for x
    x = 4,060,067,248,477.68/2,689,416.40
  6. Step 6: Final answer
    x = 1,509,646.20

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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.