Finding the Fourth Proportional to 1,556,993.18, 2,148,650.88 and 877,929.68
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Solution
The fourth proportional to 1,556,993.18, 2,148,650.88 and 877,929.68 is: 1,211,543.12
Step by Step Solution
- Step 1: Write the proportion equation
1,556,993.18 : 2,148,650.88 = 877,929.68 : x - Step 2: Convert to fraction form
1,556,993.18/2,148,650.88 = 877,929.68/x - Step 3: Cross multiply
1,556,993.18x = 2,148,650.88 × 877,929.68 - Step 4: Simplify right side
1,556,993.18x = 1,886,364,379,510.12 - Step 5: Solve for x
x = 1,886,364,379,510.12/1,556,993.18 - Step 6: Final answer
x = 1,211,543.12
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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.