Finding the Fourth Proportional to 3,668,298.14, 5,053,924.26 and 2,838,518.70
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Solution
The fourth proportional to 3,668,298.14, 5,053,924.26 and 2,838,518.70 is: 3,910,712.27
Step by Step Solution
- Step 1: Write the proportion equation
3,668,298.14 : 5,053,924.26 = 2,838,518.70 : x - Step 2: Convert to fraction form
3,668,298.14/5,053,924.26 = 2,838,518.70/x - Step 3: Cross multiply
3,668,298.14x = 5,053,924.26 × 2,838,518.70 - Step 4: Simplify right side
3,668,298.14x = 14,345,658,520,393.66 - Step 5: Solve for x
x = 14,345,658,520,393.66/3,668,298.14 - Step 6: Final answer
x = 3,910,712.27
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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.