Finding the Fourth Proportional to 5,013,968.05, 6,919,208.89 and 2,838,455.47
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Solution
The fourth proportional to 5,013,968.05, 6,919,208.89 and 2,838,455.47 is: 3,917,030.61
Step by Step Solution
- Step 1: Write the proportion equation
5,013,968.05 : 6,919,208.89 = 2,838,455.47 : x - Step 2: Convert to fraction form
5,013,968.05/6,919,208.89 = 2,838,455.47/x - Step 3: Cross multiply
5,013,968.05x = 6,919,208.89 × 2,838,455.47 - Step 4: Simplify right side
5,013,968.05x = 19,639,866,321,893.13 - Step 5: Solve for x
x = 19,639,866,321,893.13/5,013,968.05 - Step 6: Final answer
x = 3,917,030.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.