Finding the Fourth Proportional to 1,976,104.64, 2,727,025.12 and 1,070,686.64
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Solution
The fourth proportional to 1,976,104.64, 2,727,025.12 and 1,070,686.64 is: 1,477,547.95
Step by Step Solution
- Step 1: Write the proportion equation
1,976,104.64 : 2,727,025.12 = 1,070,686.64 : x - Step 2: Convert to fraction form
1,976,104.64/2,727,025.12 = 1,070,686.64/x - Step 3: Cross multiply
1,976,104.64x = 2,727,025.12 × 1,070,686.64 - Step 4: Simplify right side
1,976,104.64x = 2,919,789,362,928.40 - Step 5: Solve for x
x = 2,919,789,362,928.40/1,976,104.64 - Step 6: Final answer
x = 1,477,547.95
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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.