Finding the Fourth Proportional to 1,533,333.44, 2,114,564.86 and 1,211,811.62
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Solution
The fourth proportional to 1,533,333.44, 2,114,564.86 and 1,211,811.62 is: 1,671,165.71
Step by Step Solution
- Step 1: Write the proportion equation
1,533,333.44 : 2,114,564.86 = 1,211,811.62 : x - Step 2: Convert to fraction form
1,533,333.44/2,114,564.86 = 1,211,811.62/x - Step 3: Cross multiply
1,533,333.44x = 2,114,564.86 × 1,211,811.62 - Step 4: Simplify right side
1,533,333.44x = 2,562,454,268,591.67 - Step 5: Solve for x
x = 2,562,454,268,591.67/1,533,333.44 - Step 6: Final answer
x = 1,671,165.71
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1.5x scale
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.