Finding the Fourth Proportional to 1,821,390.70, 2,732,218.65 and 699,459.70
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Solution
The fourth proportional to 1,821,390.70, 2,732,218.65 and 699,459.70 is: 1,049,240.47
Step by Step Solution
- Step 1: Write the proportion equation
1,821,390.70 : 2,732,218.65 = 699,459.70 : x - Step 2: Convert to fraction form
1,821,390.70/2,732,218.65 = 699,459.70/x - Step 3: Cross multiply
1,821,390.70x = 2,732,218.65 × 699,459.70 - Step 4: Simplify right side
1,821,390.70x = 1,911,076,837,263.40 - Step 5: Solve for x
x = 1,911,076,837,263.40/1,821,390.70 - Step 6: Final answer
x = 1,049,240.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.