Finding the Fourth Proportional to 1,869,081, 2,579,329.80 and 1,009,641.12
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Solution
The fourth proportional to 1,869,081, 2,579,329.80 and 1,009,641.12 is: 1,393,303.68
Step by Step Solution
- Step 1: Write the proportion equation
1,869,081 : 2,579,329.80 = 1,009,641.12 : x - Step 2: Convert to fraction form
1,869,081/2,579,329.80 = 1,009,641.12/x - Step 3: Cross multiply
1,869,081x = 2,579,329.80 × 1,009,641.12 - Step 4: Simplify right side
1,869,081x = 2,604,197,428,121.38 - Step 5: Solve for x
x = 2,604,197,428,121.38/1,869,081 - Step 6: Final answer
x = 1,393,303.68
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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.