Finding the Fourth Proportional to 2,703,539.72, 3,730,866.36 and 1,557,595.40
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Solution
The fourth proportional to 2,703,539.72, 3,730,866.36 and 1,557,595.40 is: 2,149,471.02
Step by Step Solution
- Step 1: Write the proportion equation
2,703,539.72 : 3,730,866.36 = 1,557,595.40 : x - Step 2: Convert to fraction form
2,703,539.72/3,730,866.36 = 1,557,595.40/x - Step 3: Cross multiply
2,703,539.72x = 3,730,866.36 × 1,557,595.40 - Step 4: Simplify right side
2,703,539.72x = 5,811,180,280,350.74 - Step 5: Solve for x
x = 5,811,180,280,350.74/2,703,539.72 - Step 6: Final answer
x = 2,149,471.02
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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.