Finding the Fourth Proportional to 1,472,067.81, 2,031,098.88 and 859,873.05
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Solution
The fourth proportional to 1,472,067.81, 2,031,098.88 and 859,873.05 is: 1,186,417.62
Step by Step Solution
- Step 1: Write the proportion equation
1,472,067.81 : 2,031,098.88 = 859,873.05 : x - Step 2: Convert to fraction form
1,472,067.81/2,031,098.88 = 859,873.05/x - Step 3: Cross multiply
1,472,067.81x = 2,031,098.88 × 859,873.05 - Step 4: Simplify right side
1,472,067.81x = 1,746,487,188,797.18 - Step 5: Solve for x
x = 1,746,487,188,797.18/1,472,067.81 - Step 6: Final answer
x = 1,186,417.62
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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.