Home / 3,130,742.20-4,696,703.22-1,186,053.28

Finding the Fourth Proportional to 3,130,742.20, 4,696,703.22 and 1,186,053.28

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Solution

The fourth proportional to 3,130,742.20, 4,696,703.22 and 1,186,053.28 is: 1,779,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,742.20 : 4,696,703.22 = 1,186,053.28 : x
  2. Step 2: Convert to fraction form
    3,130,742.20/4,696,703.22 = 1,186,053.28/x
  3. Step 3: Cross multiply
    3,130,742.20x = 4,696,703.22 × 1,186,053.28
  4. Step 4: Simplify right side
    3,130,742.20x = 5,570,540,259,267.56
  5. Step 5: Solve for x
    x = 5,570,540,259,267.56/3,130,742.20
  6. Step 6: Final answer
    x = 1,779,303.41

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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.