Home / 3,436,331.23-4,742,148.15-1,908,438.34

Finding the Fourth Proportional to 3,436,331.23, 4,742,148.15 and 1,908,438.34

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Solution

The fourth proportional to 3,436,331.23, 4,742,148.15 and 1,908,438.34 is: 2,633,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,331.23 : 4,742,148.15 = 1,908,438.34 : x
  2. Step 2: Convert to fraction form
    3,436,331.23/4,742,148.15 = 1,908,438.34/x
  3. Step 3: Cross multiply
    3,436,331.23x = 4,742,148.15 × 1,908,438.34
  4. Step 4: Simplify right side
    3,436,331.23x = 9,050,097,343,420.07
  5. Step 5: Solve for x
    x = 9,050,097,343,420.07/3,436,331.23
  6. Step 6: Final answer
    x = 2,633,651.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.