Finding the Fourth Proportional to 6,879,347.12, 10,319,253.60 and 1,830,662.48
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Solution
The fourth proportional to 6,879,347.12, 10,319,253.60 and 1,830,662.48 is: 2,746,055.70
Step by Step Solution
- Step 1: Write the proportion equation
6,879,347.12 : 10,319,253.60 = 1,830,662.48 : x - Step 2: Convert to fraction form
6,879,347.12/10,319,253.60 = 1,830,662.48/x - Step 3: Cross multiply
6,879,347.12x = 10,319,253.60 × 1,830,662.48 - Step 4: Simplify right side
6,879,347.12x = 18,891,070,387,124.93 - Step 5: Solve for x
x = 18,891,070,387,124.93/6,879,347.12 - Step 6: Final answer
x = 2,746,055.70
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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.