Finding the Fourth Proportional to 1,536,060.84, 2,119,760.40 and 891,858.12
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Solution
The fourth proportional to 1,536,060.84, 2,119,760.40 and 891,858.12 is: 1,230,762.14
Step by Step Solution
- Step 1: Write the proportion equation
1,536,060.84 : 2,119,760.40 = 891,858.12 : x - Step 2: Convert to fraction form
1,536,060.84/2,119,760.40 = 891,858.12/x - Step 3: Cross multiply
1,536,060.84x = 2,119,760.40 × 891,858.12 - Step 4: Simplify right side
1,536,060.84x = 1,890,525,525,194.45 - Step 5: Solve for x
x = 1,890,525,525,194.45/1,536,060.84 - Step 6: Final answer
x = 1,230,762.14
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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.