Finding the Fourth Proportional to 5,631,424.70, 8,446,696.39 and 1,587,749.18
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Solution
The fourth proportional to 5,631,424.70, 8,446,696.39 and 1,587,749.18 is: 2,381,499.53
Step by Step Solution
- Step 1: Write the proportion equation
5,631,424.70 : 8,446,696.39 = 1,587,749.18 : x - Step 2: Convert to fraction form
5,631,424.70/8,446,696.39 = 1,587,749.18/x - Step 3: Cross multiply
5,631,424.70x = 8,446,696.39 × 1,587,749.18 - Step 4: Simplify right side
5,631,424.70x = 13,411,235,266,931.46 - Step 5: Solve for x
x = 13,411,235,266,931.46/5,631,424.70 - Step 6: Final answer
x = 2,381,499.53
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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.