Finding the Fourth Proportional to 4,885,541.70, 7,328,365.17 and 1,473,857.85
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Solution
The fourth proportional to 4,885,541.70, 7,328,365.17 and 1,473,857.85 is: 2,210,802.65
Step by Step Solution
- Step 1: Write the proportion equation
4,885,541.70 : 7,328,365.17 = 1,473,857.85 : x - Step 2: Convert to fraction form
4,885,541.70/7,328,365.17 = 1,473,857.85/x - Step 3: Cross multiply
4,885,541.70x = 7,328,365.17 × 1,473,857.85 - Step 4: Simplify right side
4,885,541.70x = 10,800,968,538,959.68 - Step 5: Solve for x
x = 10,800,968,538,959.68/4,885,541.70 - Step 6: Final answer
x = 2,210,802.65
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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.