Finding the Fourth Proportional to 2,891,588.10, 3,990,415.05 and 1,602,449.70
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Solution
The fourth proportional to 2,891,588.10, 3,990,415.05 and 1,602,449.70 is: 2,211,393.59
Step by Step Solution
- Step 1: Write the proportion equation
2,891,588.10 : 3,990,415.05 = 1,602,449.70 : x - Step 2: Convert to fraction form
2,891,588.10/3,990,415.05 = 1,602,449.70/x - Step 3: Cross multiply
2,891,588.10x = 3,990,415.05 × 1,602,449.70 - Step 4: Simplify right side
2,891,588.10x = 6,394,439,399,747.99 - Step 5: Solve for x
x = 6,394,439,399,747.99/2,891,588.10 - Step 6: Final answer
x = 2,211,393.59
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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.