Finding the Fourth Proportional to 3,594,731.16, 4,960,703.74 and 1,963,138.91
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Solution
The fourth proportional to 3,594,731.16, 4,960,703.74 and 1,963,138.91 is: 2,709,117.90
Step by Step Solution
- Step 1: Write the proportion equation
3,594,731.16 : 4,960,703.74 = 1,963,138.91 : x - Step 2: Convert to fraction form
3,594,731.16/4,960,703.74 = 1,963,138.91/x - Step 3: Cross multiply
3,594,731.16x = 4,960,703.74 × 1,963,138.91 - Step 4: Simplify right side
3,594,731.16x = 9,738,550,532,976.52 - Step 5: Solve for x
x = 9,738,550,532,976.52/3,594,731.16 - Step 6: Final answer
x = 2,709,117.90
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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.