Finding the Fourth Proportional to 1,787,526.12, 2,466,802.08 and 971,731.36
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Solution
The fourth proportional to 1,787,526.12, 2,466,802.08 and 971,731.36 is: 1,340,997.99
Step by Step Solution
- Step 1: Write the proportion equation
1,787,526.12 : 2,466,802.08 = 971,731.36 : x - Step 2: Convert to fraction form
1,787,526.12/2,466,802.08 = 971,731.36/x - Step 3: Cross multiply
1,787,526.12x = 2,466,802.08 × 971,731.36 - Step 4: Simplify right side
1,787,526.12x = 2,397,068,940,049.23 - Step 5: Solve for x
x = 2,397,068,940,049.23/1,787,526.12 - Step 6: Final answer
x = 1,340,997.99
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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.