Home / 1,817,363.80-2,720,140.80-1,415,830.60

Finding the Fourth Proportional to 1,817,363.80, 2,720,140.80 and 1,415,830.60

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Solution

The fourth proportional to 1,817,363.80, 2,720,140.80 and 1,415,830.60 is: 2,119,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,363.80 : 2,720,140.80 = 1,415,830.60 : x
  2. Step 2: Convert to fraction form
    1,817,363.80/2,720,140.80 = 1,415,830.60/x
  3. Step 3: Cross multiply
    1,817,363.80x = 2,720,140.80 × 1,415,830.60
  4. Step 4: Simplify right side
    1,817,363.80x = 3,851,258,580,948.48
  5. Step 5: Solve for x
    x = 3,851,258,580,948.48/1,817,363.80
  6. Step 6: Final answer
    x = 2,119,145.64

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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.