Finding the Fourth Proportional to 4,188,302.88, 5,779,228.39 and 2,352,409.47
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Solution
The fourth proportional to 4,188,302.88, 5,779,228.39 and 2,352,409.47 is: 3,245,971.46
Step by Step Solution
- Step 1: Write the proportion equation
4,188,302.88 : 5,779,228.39 = 2,352,409.47 : x - Step 2: Convert to fraction form
4,188,302.88/5,779,228.39 = 2,352,409.47/x - Step 3: Cross multiply
4,188,302.88x = 5,779,228.39 × 2,352,409.47 - Step 4: Simplify right side
4,188,302.88x = 13,595,111,593,928.85 - Step 5: Solve for x
x = 13,595,111,593,928.85/4,188,302.88 - Step 6: Final answer
x = 3,245,971.46
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1.5x scale
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.