Finding the Fourth Proportional to 3,700,135.15, 5,549,439.98 and 1,424,878.63
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Solution
The fourth proportional to 3,700,135.15, 5,549,439.98 and 1,424,878.63 is: 2,137,024.22
Step by Step Solution
- Step 1: Write the proportion equation
3,700,135.15 : 5,549,439.98 = 1,424,878.63 : x - Step 2: Convert to fraction form
3,700,135.15/5,549,439.98 = 1,424,878.63/x - Step 3: Cross multiply
3,700,135.15x = 5,549,439.98 × 1,424,878.63 - Step 4: Simplify right side
3,700,135.15x = 7,907,278,428,845.23 - Step 5: Solve for x
x = 7,907,278,428,845.23/3,700,135.15 - Step 6: Final answer
x = 2,137,024.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.