Finding the Fourth Proportional to 1,408,345.96, 1,943,464.95 and 835,043.08
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Solution
The fourth proportional to 1,408,345.96, 1,943,464.95 and 835,043.08 is: 1,152,328.34
Step by Step Solution
- Step 1: Write the proportion equation
1,408,345.96 : 1,943,464.95 = 835,043.08 : x - Step 2: Convert to fraction form
1,408,345.96/1,943,464.95 = 835,043.08/x - Step 3: Cross multiply
1,408,345.96x = 1,943,464.95 × 835,043.08 - Step 4: Simplify right side
1,408,345.96x = 1,622,876,957,720.05 - Step 5: Solve for x
x = 1,622,876,957,720.05/1,408,345.96 - Step 6: Final answer
x = 1,152,328.34
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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.