Finding the Fourth Proportional to 4,158,957.36, 6,239,031.12 and 1,280,567.68
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Solution
The fourth proportional to 4,158,957.36, 6,239,031.12 and 1,280,567.68 is: 1,921,034.75
Step by Step Solution
- Step 1: Write the proportion equation
4,158,957.36 : 6,239,031.12 = 1,280,567.68 : x - Step 2: Convert to fraction form
4,158,957.36/6,239,031.12 = 1,280,567.68/x - Step 3: Cross multiply
4,158,957.36x = 6,239,031.12 × 1,280,567.68 - Step 4: Simplify right side
4,158,957.36x = 7,989,501,606,786.20 - Step 5: Solve for x
x = 7,989,501,606,786.20/4,158,957.36 - Step 6: Final answer
x = 1,921,034.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.