Finding the Fourth Proportional to 2,921,841.74, 4,382,762.63 and 791,925.84
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Solution
The fourth proportional to 2,921,841.74, 4,382,762.63 and 791,925.84 is: 1,187,888.77
Step by Step Solution
- Step 1: Write the proportion equation
2,921,841.74 : 4,382,762.63 = 791,925.84 : x - Step 2: Convert to fraction form
2,921,841.74/4,382,762.63 = 791,925.84/x - Step 3: Cross multiply
2,921,841.74x = 4,382,762.63 × 791,925.84 - Step 4: Simplify right side
2,921,841.74x = 3,470,822,979,263.17 - Step 5: Solve for x
x = 3,470,822,979,263.17/2,921,841.74 - Step 6: Final answer
x = 1,187,888.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.