Finding the Fourth Proportional to 5,282,373.05, 7,926,261.75 and 2,515,772.79
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Solution
The fourth proportional to 5,282,373.05, 7,926,261.75 and 2,515,772.79 is: 3,774,946.12
Step by Step Solution
- Step 1: Write the proportion equation
5,282,373.05 : 7,926,261.75 = 2,515,772.79 : x - Step 2: Convert to fraction form
5,282,373.05/7,926,261.75 = 2,515,772.79/x - Step 3: Cross multiply
5,282,373.05x = 7,926,261.75 × 2,515,772.79 - Step 4: Simplify right side
5,282,373.05x = 19,940,673,637,067.78 - Step 5: Solve for x
x = 19,940,673,637,067.78/5,282,373.05 - Step 6: Final answer
x = 3,774,946.12
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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.