Finding the Fourth Proportional to 3,006,294.68, 4,148,947.78 and 1,648,430.12
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Solution
The fourth proportional to 3,006,294.68, 4,148,947.78 and 1,648,430.12 is: 2,274,976.75
Step by Step Solution
- Step 1: Write the proportion equation
3,006,294.68 : 4,148,947.78 = 1,648,430.12 : x - Step 2: Convert to fraction form
3,006,294.68/4,148,947.78 = 1,648,430.12/x - Step 3: Cross multiply
3,006,294.68x = 4,148,947.78 × 1,648,430.12 - Step 4: Simplify right side
3,006,294.68x = 6,839,250,486,859.13 - Step 5: Solve for x
x = 6,839,250,486,859.13/3,006,294.68 - Step 6: Final answer
x = 2,274,976.75
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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.