Home / 1,868,860.30-2,803,290.45-1,851,145.60

Finding the Fourth Proportional to 1,868,860.30, 2,803,290.45 and 1,851,145.60

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Solution

The fourth proportional to 1,868,860.30, 2,803,290.45 and 1,851,145.60 is: 2,776,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,860.30 : 2,803,290.45 = 1,851,145.60 : x
  2. Step 2: Convert to fraction form
    1,868,860.30/2,803,290.45 = 1,851,145.60/x
  3. Step 3: Cross multiply
    1,868,860.30x = 2,803,290.45 × 1,851,145.60
  4. Step 4: Simplify right side
    1,868,860.30x = 5,189,298,782,039.52
  5. Step 5: Solve for x
    x = 5,189,298,782,039.52/1,868,860.30
  6. Step 6: Final answer
    x = 2,776,718.40

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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.