Finding the Fourth Proportional to 1,520,321.80, 2,098,266.66 and 875,616.52
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Solution
The fourth proportional to 1,520,321.80, 2,098,266.66 and 875,616.52 is: 1,208,478.99
Step by Step Solution
- Step 1: Write the proportion equation
1,520,321.80 : 2,098,266.66 = 875,616.52 : x - Step 2: Convert to fraction form
1,520,321.80/2,098,266.66 = 875,616.52/x - Step 3: Cross multiply
1,520,321.80x = 2,098,266.66 × 875,616.52 - Step 4: Simplify right side
1,520,321.80x = 1,837,276,950,861.22 - Step 5: Solve for x
x = 1,837,276,950,861.22/1,520,321.80 - Step 6: Final answer
x = 1,208,478.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.