Finding the Fourth Proportional to 1,556,992.18, 2,148,649.50 and 877,928.68
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Solution
The fourth proportional to 1,556,992.18, 2,148,649.50 and 877,928.68 is: 1,211,541.74
Step by Step Solution
- Step 1: Write the proportion equation
1,556,992.18 : 2,148,649.50 = 877,928.68 : x - Step 2: Convert to fraction form
1,556,992.18/2,148,649.50 = 877,928.68/x - Step 3: Cross multiply
1,556,992.18x = 2,148,649.50 × 877,928.68 - Step 4: Simplify right side
1,556,992.18x = 1,886,361,019,317.66 - Step 5: Solve for x
x = 1,886,361,019,317.66/1,556,992.18 - Step 6: Final answer
x = 1,211,541.74
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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.