Finding the Fourth Proportional to 1,695,871.84, 2,337,964.40 and 1,352,871.68
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Solution
The fourth proportional to 1,695,871.84, 2,337,964.40 and 1,352,871.68 is: 1,865,097.20
Step by Step Solution
- Step 1: Write the proportion equation
1,695,871.84 : 2,337,964.40 = 1,352,871.68 : x - Step 2: Convert to fraction form
1,695,871.84/2,337,964.40 = 1,352,871.68/x - Step 3: Cross multiply
1,695,871.84x = 2,337,964.40 × 1,352,871.68 - Step 4: Simplify right side
1,695,871.84x = 3,162,965,825,608.19 - Step 5: Solve for x
x = 3,162,965,825,608.19/1,695,871.84 - Step 6: Final answer
x = 1,865,097.20
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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.