Finding the Fourth Proportional to 1,557,965.48, 2,149,980.18 and 842,573.48
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Solution
The fourth proportional to 1,557,965.48, 2,149,980.18 and 842,573.48 is: 1,162,744.81
Step by Step Solution
- Step 1: Write the proportion equation
1,557,965.48 : 2,149,980.18 = 842,573.48 : x - Step 2: Convert to fraction form
1,557,965.48/2,149,980.18 = 842,573.48/x - Step 3: Cross multiply
1,557,965.48x = 2,149,980.18 × 842,573.48 - Step 4: Simplify right side
1,557,965.48x = 1,811,516,282,193.63 - Step 5: Solve for x
x = 1,811,516,282,193.63/1,557,965.48 - Step 6: Final answer
x = 1,162,744.81
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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.