Finding the Fourth Proportional to 1,137,168.99, 1,695,408.03 and 1,009,374.08
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Solution
The fourth proportional to 1,137,168.99, 1,695,408.03 and 1,009,374.08 is: 1,504,878.28
Step by Step Solution
- Step 1: Write the proportion equation
1,137,168.99 : 1,695,408.03 = 1,009,374.08 : x - Step 2: Convert to fraction form
1,137,168.99/1,695,408.03 = 1,009,374.08/x - Step 3: Cross multiply
1,137,168.99x = 1,695,408.03 × 1,009,374.08 - Step 4: Simplify right side
1,137,168.99x = 1,711,300,912,028.82 - Step 5: Solve for x
x = 1,711,300,912,028.82/1,137,168.99 - Step 6: Final answer
x = 1,504,878.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.