Finding the Fourth Proportional to 1,408,607.94, 1,942,338.42 and 1,046,703.18
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Solution
The fourth proportional to 1,408,607.94, 1,942,338.42 and 1,046,703.18 is: 1,443,305.65
Step by Step Solution
- Step 1: Write the proportion equation
1,408,607.94 : 1,942,338.42 = 1,046,703.18 : x - Step 2: Convert to fraction form
1,408,607.94/1,942,338.42 = 1,046,703.18/x - Step 3: Cross multiply
1,408,607.94x = 1,942,338.42 × 1,046,703.18 - Step 4: Simplify right side
1,408,607.94x = 2,033,051,800,850.18 - Step 5: Solve for x
x = 2,033,051,800,850.18/1,408,607.94 - Step 6: Final answer
x = 1,443,305.65
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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.