Finding the Fourth Proportional to 2,557,060.34, 3,528,735.99 and 1,411,132.47
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Solution
The fourth proportional to 2,557,060.34, 3,528,735.99 and 1,411,132.47 is: 1,947,358.80
Step by Step Solution
- Step 1: Write the proportion equation
2,557,060.34 : 3,528,735.99 = 1,411,132.47 : x - Step 2: Convert to fraction form
2,557,060.34/3,528,735.99 = 1,411,132.47/x - Step 3: Cross multiply
2,557,060.34x = 3,528,735.99 × 1,411,132.47 - Step 4: Simplify right side
2,557,060.34x = 4,979,513,933,546.60 - Step 5: Solve for x
x = 4,979,513,933,546.60/2,557,060.34 - Step 6: Final answer
x = 1,947,358.80
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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.