Finding the Fourth Proportional to 3,199,444.25, 4,415,248.68 and 1,749,139.75
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Solution
The fourth proportional to 3,199,444.25, 4,415,248.68 and 1,749,139.75 is: 2,413,821.40
Step by Step Solution
- Step 1: Write the proportion equation
3,199,444.25 : 4,415,248.68 = 1,749,139.75 : x - Step 2: Convert to fraction form
3,199,444.25/4,415,248.68 = 1,749,139.75/x - Step 3: Cross multiply
3,199,444.25x = 4,415,248.68 × 1,749,139.75 - Step 4: Simplify right side
3,199,444.25x = 7,722,886,971,282.82 - Step 5: Solve for x
x = 7,722,886,971,282.82/3,199,444.25 - Step 6: Final answer
x = 2,413,821.40
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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.