Home / 2,660,035.47-3,990,614.28-862,779.36

Finding the Fourth Proportional to 2,660,035.47, 3,990,614.28 and 862,779.36

Calculator

Solution

The fourth proportional to 2,660,035.47, 3,990,614.28 and 862,779.36 is: 1,294,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,035.47 : 3,990,614.28 = 862,779.36 : x
  2. Step 2: Convert to fraction form
    2,660,035.47/3,990,614.28 = 862,779.36/x
  3. Step 3: Cross multiply
    2,660,035.47x = 3,990,614.28 × 862,779.36
  4. Step 4: Simplify right side
    2,660,035.47x = 3,443,019,634,505.26
  5. Step 5: Solve for x
    x = 3,443,019,634,505.26/2,660,035.47
  6. Step 6: Final answer
    x = 1,294,351.02

Related Problems

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.