Finding the Fourth Proportional to 4,906,051.70, 7,358,497.97 and 1,312,097.18
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Solution
The fourth proportional to 4,906,051.70, 7,358,497.97 and 1,312,097.18 is: 1,967,990.76
Step by Step Solution
- Step 1: Write the proportion equation
4,906,051.70 : 7,358,497.97 = 1,312,097.18 : x - Step 2: Convert to fraction form
4,906,051.70/7,358,497.97 = 1,312,097.18/x - Step 3: Cross multiply
4,906,051.70x = 7,358,497.97 × 1,312,097.18 - Step 4: Simplify right side
4,906,051.70x = 9,655,064,392,119.75 - Step 5: Solve for x
x = 9,655,064,392,119.75/4,906,051.70 - Step 6: Final answer
x = 1,967,990.76
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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.