Finding the Fourth Proportional to 1,791,295.14, 2,471,875.30 and 986,479.14
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Solution
The fourth proportional to 1,791,295.14, 2,471,875.30 and 986,479.14 is: 1,361,279.54
Step by Step Solution
- Step 1: Write the proportion equation
1,791,295.14 : 2,471,875.30 = 986,479.14 : x - Step 2: Convert to fraction form
1,791,295.14/2,471,875.30 = 986,479.14/x - Step 3: Cross multiply
1,791,295.14x = 2,471,875.30 × 986,479.14 - Step 4: Simplify right side
1,791,295.14x = 2,438,453,420,131.24 - Step 5: Solve for x
x = 2,438,453,420,131.24/1,791,295.14 - Step 6: Final answer
x = 1,361,279.54
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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.