Finding the Fourth Proportional to 4,238,579.68, 5,849,061.97 and 2,403,161.47
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Solution
The fourth proportional to 4,238,579.68, 5,849,061.97 and 2,403,161.47 is: 3,316,261.91
Step by Step Solution
- Step 1: Write the proportion equation
4,238,579.68 : 5,849,061.97 = 2,403,161.47 : x - Step 2: Convert to fraction form
4,238,579.68/5,849,061.97 = 2,403,161.47/x - Step 3: Cross multiply
4,238,579.68x = 5,849,061.97 × 2,403,161.47 - Step 4: Simplify right side
4,238,579.68x = 14,056,240,361,946.30 - Step 5: Solve for x
x = 14,056,240,361,946.30/4,238,579.68 - Step 6: Final answer
x = 3,316,261.91
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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.