Finding the Fourth Proportional to 4,531,976.63, 6,254,661.75 and 2,545,439.78
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Solution
The fourth proportional to 4,531,976.63, 6,254,661.75 and 2,545,439.78 is: 3,513,006.83
Step by Step Solution
- Step 1: Write the proportion equation
4,531,976.63 : 6,254,661.75 = 2,545,439.78 : x - Step 2: Convert to fraction form
4,531,976.63/6,254,661.75 = 2,545,439.78/x - Step 3: Cross multiply
4,531,976.63x = 6,254,661.75 × 2,545,439.78 - Step 4: Simplify right side
4,531,976.63x = 15,920,864,834,985.67 - Step 5: Solve for x
x = 15,920,864,834,985.67/4,531,976.63 - Step 6: Final answer
x = 3,513,006.83
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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.