Finding the Fourth Proportional to 4,413,881.59, 6,090,962.20 and 2,578,509.88
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Solution
The fourth proportional to 4,413,881.59, 6,090,962.20 and 2,578,509.88 is: 3,558,230.07
Step by Step Solution
- Step 1: Write the proportion equation
4,413,881.59 : 6,090,962.20 = 2,578,509.88 : x - Step 2: Convert to fraction form
4,413,881.59/6,090,962.20 = 2,578,509.88/x - Step 3: Cross multiply
4,413,881.59x = 6,090,962.20 × 2,578,509.88 - Step 4: Simplify right side
4,413,881.59x = 15,705,606,211,406.54 - Step 5: Solve for x
x = 15,705,606,211,406.54/4,413,881.59 - Step 6: Final answer
x = 3,558,230.07
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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.