Home / 2,913,123.60-4,369,685.40-2,629,688.40

Finding the Fourth Proportional to 2,913,123.60, 4,369,685.40 and 2,629,688.40

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Solution

The fourth proportional to 2,913,123.60, 4,369,685.40 and 2,629,688.40 is: 3,944,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,123.60 : 4,369,685.40 = 2,629,688.40 : x
  2. Step 2: Convert to fraction form
    2,913,123.60/4,369,685.40 = 2,629,688.40/x
  3. Step 3: Cross multiply
    2,913,123.60x = 4,369,685.40 × 2,629,688.40
  4. Step 4: Simplify right side
    2,913,123.60x = 11,490,911,008,029.36
  5. Step 5: Solve for x
    x = 11,490,911,008,029.36/2,913,123.60
  6. Step 6: Final answer
    x = 3,944,532.60

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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.