Finding the Fourth Proportional to 4,640,479.23, 6,403,764.99 and 2,575,374.86
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Solution
The fourth proportional to 4,640,479.23, 6,403,764.99 and 2,575,374.86 is: 3,553,963.84
Step by Step Solution
- Step 1: Write the proportion equation
4,640,479.23 : 6,403,764.99 = 2,575,374.86 : x - Step 2: Convert to fraction form
4,640,479.23/6,403,764.99 = 2,575,374.86/x - Step 3: Cross multiply
4,640,479.23x = 6,403,764.99 × 2,575,374.86 - Step 4: Simplify right side
4,640,479.23x = 16,492,095,388,401.46 - Step 5: Solve for x
x = 16,492,095,388,401.46/4,640,479.23 - Step 6: Final answer
x = 3,553,963.84
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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.