Finding the Fourth Proportional to 2,845,715.36, 3,927,118.08 and 1,556,527.40
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Solution
The fourth proportional to 2,845,715.36, 3,927,118.08 and 1,556,527.40 is: 2,148,024.70
Step by Step Solution
- Step 1: Write the proportion equation
2,845,715.36 : 3,927,118.08 = 1,556,527.40 : x - Step 2: Convert to fraction form
2,845,715.36/3,927,118.08 = 1,556,527.40/x - Step 3: Cross multiply
2,845,715.36x = 3,927,118.08 × 1,556,527.40 - Step 4: Simplify right side
2,845,715.36x = 6,112,666,894,555.39 - Step 5: Solve for x
x = 6,112,666,894,555.39/2,845,715.36 - Step 6: Final answer
x = 2,148,024.70
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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.