Finding the Fourth Proportional to 3,879,965.50, 5,354,354.07 and 2,249,318.23
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Solution
The fourth proportional to 3,879,965.50, 5,354,354.07 and 2,249,318.23 is: 3,104,060.13
Step by Step Solution
- Step 1: Write the proportion equation
3,879,965.50 : 5,354,354.07 = 2,249,318.23 : x - Step 2: Convert to fraction form
3,879,965.50/5,354,354.07 = 2,249,318.23/x - Step 3: Cross multiply
3,879,965.50x = 5,354,354.07 × 2,249,318.23 - Step 4: Simplify right side
3,879,965.50x = 12,043,646,181,507.34 - Step 5: Solve for x
x = 12,043,646,181,507.34/3,879,965.50 - Step 6: Final answer
x = 3,104,060.13
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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.