Finding the Fourth Proportional to 1,660,842.52, 2,291,962.64 and 896,896.08
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Solution
The fourth proportional to 1,660,842.52, 2,291,962.64 and 896,896.08 is: 1,237,716.57
Step by Step Solution
- Step 1: Write the proportion equation
1,660,842.52 : 2,291,962.64 = 896,896.08 : x - Step 2: Convert to fraction form
1,660,842.52/2,291,962.64 = 896,896.08/x - Step 3: Cross multiply
1,660,842.52x = 2,291,962.64 × 896,896.08 - Step 4: Simplify right side
1,660,842.52x = 2,055,652,307,322.45 - Step 5: Solve for x
x = 2,055,652,307,322.45/1,660,842.52 - Step 6: Final answer
x = 1,237,716.57
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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.