Finding the Fourth Proportional to 1,454,979.69, 2,178,743.09 and 1,214,495.66
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Solution
The fourth proportional to 1,454,979.69, 2,178,743.09 and 1,214,495.66 is: 1,818,632.95
Step by Step Solution
- Step 1: Write the proportion equation
1,454,979.69 : 2,178,743.09 = 1,214,495.66 : x - Step 2: Convert to fraction form
1,454,979.69/2,178,743.09 = 1,214,495.66/x - Step 3: Cross multiply
1,454,979.69x = 2,178,743.09 × 1,214,495.66 - Step 4: Simplify right side
1,454,979.69x = 2,646,074,010,093.80 - Step 5: Solve for x
x = 2,646,074,010,093.80/1,454,979.69 - Step 6: Final answer
x = 1,818,632.95
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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.