Finding the Fourth Proportional to 1,929,855.84, 2,662,817.04 and 1,165,951.68
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Solution
The fourth proportional to 1,929,855.84, 2,662,817.04 and 1,165,951.68 is: 1,608,781.31
Step by Step Solution
- Step 1: Write the proportion equation
1,929,855.84 : 2,662,817.04 = 1,165,951.68 : x - Step 2: Convert to fraction form
1,929,855.84/2,662,817.04 = 1,165,951.68/x - Step 3: Cross multiply
1,929,855.84x = 2,662,817.04 × 1,165,951.68 - Step 4: Simplify right side
1,929,855.84x = 3,104,716,001,320.63 - Step 5: Solve for x
x = 3,104,716,001,320.63/1,929,855.84 - Step 6: Final answer
x = 1,608,781.31
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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.