Finding the Fourth Proportional to 1,869,005.58, 2,579,228.73 and 1,009,565.84
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Solution
The fourth proportional to 1,869,005.58, 2,579,228.73 and 1,009,565.84 is: 1,393,201.41
Step by Step Solution
- Step 1: Write the proportion equation
1,869,005.58 : 2,579,228.73 = 1,009,565.84 : x - Step 2: Convert to fraction form
1,869,005.58/2,579,228.73 = 1,009,565.84/x - Step 3: Cross multiply
1,869,005.58x = 2,579,228.73 × 1,009,565.84 - Step 4: Simplify right side
1,869,005.58x = 2,603,901,206,458.44 - Step 5: Solve for x
x = 2,603,901,206,458.44/1,869,005.58 - Step 6: Final answer
x = 1,393,201.41
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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.