Home / 2,911,803.60-4,367,705.40-2,628,368.40

Finding the Fourth Proportional to 2,911,803.60, 4,367,705.40 and 2,628,368.40

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Solution

The fourth proportional to 2,911,803.60, 4,367,705.40 and 2,628,368.40 is: 3,942,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,803.60 : 4,367,705.40 = 2,628,368.40 : x
  2. Step 2: Convert to fraction form
    2,911,803.60/4,367,705.40 = 2,628,368.40/x
  3. Step 3: Cross multiply
    2,911,803.60x = 4,367,705.40 × 2,628,368.40
  4. Step 4: Simplify right side
    2,911,803.60x = 11,479,938,853,869.36
  5. Step 5: Solve for x
    x = 11,479,938,853,869.36/2,911,803.60
  6. Step 6: Final answer
    x = 3,942,552.60

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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.