Finding the Fourth Proportional to 1,913,556.95, 2,870,263.64 and 474,245.09
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Solution
The fourth proportional to 1,913,556.95, 2,870,263.64 and 474,245.09 is: 711,349.84
Step by Step Solution
- Step 1: Write the proportion equation
1,913,556.95 : 2,870,263.64 = 474,245.09 : x - Step 2: Convert to fraction form
1,913,556.95/2,870,263.64 = 474,245.09/x - Step 3: Cross multiply
1,913,556.95x = 2,870,263.64 × 474,245.09 - Step 4: Simplify right side
1,913,556.95x = 1,361,208,423,924.21 - Step 5: Solve for x
x = 1,361,208,423,924.21/1,913,556.95 - Step 6: Final answer
x = 711,349.84
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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.