Finding the Fourth Proportional to 4,368,371.78, 6,555,509.58 and 1,528,508.54
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Solution
The fourth proportional to 4,368,371.78, 6,555,509.58 and 1,528,508.54 is: 2,293,795.69
Step by Step Solution
- Step 1: Write the proportion equation
4,368,371.78 : 6,555,509.58 = 1,528,508.54 : x - Step 2: Convert to fraction form
4,368,371.78/6,555,509.58 = 1,528,508.54/x - Step 3: Cross multiply
4,368,371.78x = 6,555,509.58 × 1,528,508.54 - Step 4: Simplify right side
4,368,371.78x = 10,020,152,377,081.81 - Step 5: Solve for x
x = 10,020,152,377,081.81/4,368,371.78 - Step 6: Final answer
x = 2,293,795.69
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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.