Finding the Fourth Proportional to 1,565,675.13, 2,160,595.08 and 921,136.82
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Solution
The fourth proportional to 1,565,675.13, 2,160,595.08 and 921,136.82 is: 1,271,147.27
Step by Step Solution
- Step 1: Write the proportion equation
1,565,675.13 : 2,160,595.08 = 921,136.82 : x - Step 2: Convert to fraction form
1,565,675.13/2,160,595.08 = 921,136.82/x - Step 3: Cross multiply
1,565,675.13x = 2,160,595.08 × 921,136.82 - Step 4: Simplify right side
1,565,675.13x = 1,990,203,670,495.87 - Step 5: Solve for x
x = 1,990,203,670,495.87/1,565,675.13 - Step 6: Final answer
x = 1,271,147.27
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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.