Finding the Fourth Proportional to 4,289,345.08, 5,919,274.76 and 2,329,205.68
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Solution
The fourth proportional to 4,289,345.08, 5,919,274.76 and 2,329,205.68 is: 3,214,292.19
Step by Step Solution
- Step 1: Write the proportion equation
4,289,345.08 : 5,919,274.76 = 2,329,205.68 : x - Step 2: Convert to fraction form
4,289,345.08/5,919,274.76 = 2,329,205.68/x - Step 3: Cross multiply
4,289,345.08x = 5,919,274.76 × 2,329,205.68 - Step 4: Simplify right side
4,289,345.08x = 13,787,208,392,472.64 - Step 5: Solve for x
x = 13,787,208,392,472.64/4,289,345.08 - Step 6: Final answer
x = 3,214,292.19
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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.