Finding the Fourth Proportional to 1,636,116.68, 2,257,819.49 and 947,882.36
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Solution
The fourth proportional to 1,636,116.68, 2,257,819.49 and 947,882.36 is: 1,308,065.18
Step by Step Solution
- Step 1: Write the proportion equation
1,636,116.68 : 2,257,819.49 = 947,882.36 : x - Step 2: Convert to fraction form
1,636,116.68/2,257,819.49 = 947,882.36/x - Step 3: Cross multiply
1,636,116.68x = 2,257,819.49 × 947,882.36 - Step 4: Simplify right side
1,636,116.68x = 2,140,147,257,715.81 - Step 5: Solve for x
x = 2,140,147,257,715.81/1,636,116.68 - Step 6: Final answer
x = 1,308,065.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.