Finding the Fourth Proportional to 4,208,165.46, 6,312,513.92 and 1,778,865.71
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Solution
The fourth proportional to 4,208,165.46, 6,312,513.92 and 1,778,865.71 is: 2,668,410.88
Step by Step Solution
- Step 1: Write the proportion equation
4,208,165.46 : 6,312,513.92 = 1,778,865.71 : x - Step 2: Convert to fraction form
4,208,165.46/6,312,513.92 = 1,778,865.71/x - Step 3: Cross multiply
4,208,165.46x = 6,312,513.92 × 1,778,865.71 - Step 4: Simplify right side
4,208,165.46x = 11,229,114,515,728.79 - Step 5: Solve for x
x = 11,229,114,515,728.79/4,208,165.46 - Step 6: Final answer
x = 2,668,410.88
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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.