Finding the Fourth Proportional to 1,556,703.84, 2,148,247.76 and 877,635.48
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Solution
The fourth proportional to 1,556,703.84, 2,148,247.76 and 877,635.48 is: 1,211,134.96
Step by Step Solution
- Step 1: Write the proportion equation
1,556,703.84 : 2,148,247.76 = 877,635.48 : x - Step 2: Convert to fraction form
1,556,703.84/2,148,247.76 = 877,635.48/x - Step 3: Cross multiply
1,556,703.84x = 2,148,247.76 × 877,635.48 - Step 4: Simplify right side
1,556,703.84x = 1,885,378,449,618.35 - Step 5: Solve for x
x = 1,885,378,449,618.35/1,556,703.84 - Step 6: Final answer
x = 1,211,134.96
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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.