Finding the Fourth Proportional to 1,728,797.14, 2,386,052.30 and 1,031,122.66
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Solution
The fourth proportional to 1,728,797.14, 2,386,052.30 and 1,031,122.66 is: 1,423,135.51
Step by Step Solution
- Step 1: Write the proportion equation
1,728,797.14 : 2,386,052.30 = 1,031,122.66 : x - Step 2: Convert to fraction form
1,728,797.14/2,386,052.30 = 1,031,122.66/x - Step 3: Cross multiply
1,728,797.14x = 2,386,052.30 × 1,031,122.66 - Step 4: Simplify right side
1,728,797.14x = 2,460,312,594,475.12 - Step 5: Solve for x
x = 2,460,312,594,475.12/1,728,797.14 - Step 6: Final answer
x = 1,423,135.51
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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.