Finding the Fourth Proportional to 4,642,869.92, 6,965,929.74 and 1,804,973.36
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Solution
The fourth proportional to 4,642,869.92, 6,965,929.74 and 1,804,973.36 is: 2,708,091.72
Step by Step Solution
- Step 1: Write the proportion equation
4,642,869.92 : 6,965,929.74 = 1,804,973.36 : x - Step 2: Convert to fraction form
4,642,869.92/6,965,929.74 = 1,804,973.36/x - Step 3: Cross multiply
4,642,869.92x = 6,965,929.74 × 1,804,973.36 - Step 4: Simplify right side
4,642,869.92x = 12,573,317,608,331.73 - Step 5: Solve for x
x = 12,573,317,608,331.73/4,642,869.92 - Step 6: Final answer
x = 2,708,091.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.