Finding the Fourth Proportional to 1,678,552.28, 2,518,572.63 and 879,643.88
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Solution
The fourth proportional to 1,678,552.28, 2,518,572.63 and 879,643.88 is: 1,319,855.82
Step by Step Solution
- Step 1: Write the proportion equation
1,678,552.28 : 2,518,572.63 = 879,643.88 : x - Step 2: Convert to fraction form
1,678,552.28/2,518,572.63 = 879,643.88/x - Step 3: Cross multiply
1,678,552.28x = 2,518,572.63 × 879,643.88 - Step 4: Simplify right side
1,678,552.28x = 2,215,446,987,722.14 - Step 5: Solve for x
x = 2,215,446,987,722.14/1,678,552.28 - Step 6: Final answer
x = 1,319,855.82
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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.