Finding the Fourth Proportional to 5,336,129.61, 7,363,850.40 and 2,888,739.99
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Solution
The fourth proportional to 5,336,129.61, 7,363,850.40 and 2,888,739.99 is: 3,986,456.61
Step by Step Solution
- Step 1: Write the proportion equation
5,336,129.61 : 7,363,850.40 = 2,888,739.99 : x - Step 2: Convert to fraction form
5,336,129.61/7,363,850.40 = 2,888,739.99/x - Step 3: Cross multiply
5,336,129.61x = 7,363,850.40 × 2,888,739.99 - Step 4: Simplify right side
5,336,129.61x = 21,272,249,130,857.50 - Step 5: Solve for x
x = 21,272,249,130,857.50/5,336,129.61 - Step 6: Final answer
x = 3,986,456.61
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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.