Finding the Fourth Proportional to 1,520,979.47, 2,282,658.08 and 668,639.96
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Solution
The fourth proportional to 1,520,979.47, 2,282,658.08 and 668,639.96 is: 1,003,482.59
Step by Step Solution
- Step 1: Write the proportion equation
1,520,979.47 : 2,282,658.08 = 668,639.96 : x - Step 2: Convert to fraction form
1,520,979.47/2,282,658.08 = 668,639.96/x - Step 3: Cross multiply
1,520,979.47x = 2,282,658.08 × 668,639.96 - Step 4: Simplify right side
1,520,979.47x = 1,526,276,417,709.41 - Step 5: Solve for x
x = 1,526,276,417,709.41/1,520,979.47 - Step 6: Final answer
x = 1,003,482.59
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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.