Home / 3,779,683.86-5,669,547.12-939,796.32

Finding the Fourth Proportional to 3,779,683.86, 5,669,547.12 and 939,796.32

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Solution

The fourth proportional to 3,779,683.86, 5,669,547.12 and 939,796.32 is: 1,409,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,683.86 : 5,669,547.12 = 939,796.32 : x
  2. Step 2: Convert to fraction form
    3,779,683.86/5,669,547.12 = 939,796.32/x
  3. Step 3: Cross multiply
    3,779,683.86x = 5,669,547.12 × 939,796.32
  4. Step 4: Simplify right side
    3,779,683.86x = 5,328,219,519,442.60
  5. Step 5: Solve for x
    x = 5,328,219,519,442.60/3,779,683.86
  6. Step 6: Final answer
    x = 1,409,699.78

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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.