Finding the Fourth Proportional to 1,499,722.12, 2,069,616.66 and 820,658.68
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Solution
The fourth proportional to 1,499,722.12, 2,069,616.66 and 820,658.68 is: 1,132,509.05
Step by Step Solution
- Step 1: Write the proportion equation
1,499,722.12 : 2,069,616.66 = 820,658.68 : x - Step 2: Convert to fraction form
1,499,722.12/2,069,616.66 = 820,658.68/x - Step 3: Cross multiply
1,499,722.12x = 2,069,616.66 × 820,658.68 - Step 4: Simplify right side
1,499,722.12x = 1,698,448,876,301.61 - Step 5: Solve for x
x = 1,698,448,876,301.61/1,499,722.12 - Step 6: Final answer
x = 1,132,509.05
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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.