Home / 2,778,465.40-4,165,073.70-1,642,100.20

Finding the Fourth Proportional to 2,778,465.40, 4,165,073.70 and 1,642,100.20

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Solution

The fourth proportional to 2,778,465.40, 4,165,073.70 and 1,642,100.20 is: 2,461,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,465.40 : 4,165,073.70 = 1,642,100.20 : x
  2. Step 2: Convert to fraction form
    2,778,465.40/4,165,073.70 = 1,642,100.20/x
  3. Step 3: Cross multiply
    2,778,465.40x = 4,165,073.70 × 1,642,100.20
  4. Step 4: Simplify right side
    2,778,465.40x = 6,839,468,355,784.74
  5. Step 5: Solve for x
    x = 6,839,468,355,784.74/2,778,465.40
  6. Step 6: Final answer
    x = 2,461,599.25

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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.