Finding the Fourth Proportional to 1,869,022.15, 2,579,251.70 and 1,009,582.79
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Solution
The fourth proportional to 1,869,022.15, 2,579,251.70 and 1,009,582.79 is: 1,393,224.86
Step by Step Solution
- Step 1: Write the proportion equation
1,869,022.15 : 2,579,251.70 = 1,009,582.79 : x - Step 2: Convert to fraction form
1,869,022.15/2,579,251.70 = 1,009,582.79/x - Step 3: Cross multiply
1,869,022.15x = 2,579,251.70 × 1,009,582.79 - Step 4: Simplify right side
1,869,022.15x = 2,603,968,127,398.24 - Step 5: Solve for x
x = 2,603,968,127,398.24/1,869,022.15 - Step 6: Final answer
x = 1,393,224.86
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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.