Finding the Fourth Proportional to 1,528,962.09, 2,295,214.82 and 820,374.09
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Solution
The fourth proportional to 1,528,962.09, 2,295,214.82 and 820,374.09 is: 1,231,511.74
Step by Step Solution
- Step 1: Write the proportion equation
1,528,962.09 : 2,295,214.82 = 820,374.09 : x - Step 2: Convert to fraction form
1,528,962.09/2,295,214.82 = 820,374.09/x - Step 3: Cross multiply
1,528,962.09x = 2,295,214.82 × 820,374.09 - Step 4: Simplify right side
1,528,962.09x = 1,882,934,765,210.14 - Step 5: Solve for x
x = 1,882,934,765,210.14/1,528,962.09 - Step 6: Final answer
x = 1,231,511.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.