Finding the Fourth Proportional to 4,637,925.14, 6,400,344.20 and 2,572,940.80
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Solution
The fourth proportional to 4,637,925.14, 6,400,344.20 and 2,572,940.80 is: 3,550,662.47
Step by Step Solution
- Step 1: Write the proportion equation
4,637,925.14 : 6,400,344.20 = 2,572,940.80 : x - Step 2: Convert to fraction form
4,637,925.14/6,400,344.20 = 2,572,940.80/x - Step 3: Cross multiply
4,637,925.14x = 6,400,344.20 × 2,572,940.80 - Step 4: Simplify right side
4,637,925.14x = 16,467,706,721,359.09 - Step 5: Solve for x
x = 16,467,706,721,359.09/4,637,925.14 - Step 6: Final answer
x = 3,550,662.47
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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.