Finding the Fourth Proportional to 1,525,415.42, 2,105,067.35 and 837,098.75
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Solution
The fourth proportional to 1,525,415.42, 2,105,067.35 and 837,098.75 is: 1,155,193.02
Step by Step Solution
- Step 1: Write the proportion equation
1,525,415.42 : 2,105,067.35 = 837,098.75 : x - Step 2: Convert to fraction form
1,525,415.42/2,105,067.35 = 837,098.75/x - Step 3: Cross multiply
1,525,415.42x = 2,105,067.35 × 837,098.75 - Step 4: Simplify right side
1,525,415.42x = 1,762,149,254,706.23 - Step 5: Solve for x
x = 1,762,149,254,706.23/1,525,415.42 - Step 6: Final answer
x = 1,155,193.02
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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.