Finding the Fourth Proportional to 4,979,804.16, 7,471,588.80 and 1,949,335.84
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Solution
The fourth proportional to 4,979,804.16, 7,471,588.80 and 1,949,335.84 is: 2,924,740.68
Step by Step Solution
- Step 1: Write the proportion equation
4,979,804.16 : 7,471,588.80 = 1,949,335.84 : x - Step 2: Convert to fraction form
4,979,804.16/7,471,588.80 = 1,949,335.84/x - Step 3: Cross multiply
4,979,804.16x = 7,471,588.80 × 1,949,335.84 - Step 4: Simplify right side
4,979,804.16x = 14,564,635,829,582.59 - Step 5: Solve for x
x = 14,564,635,829,582.59/4,979,804.16 - Step 6: Final answer
x = 2,924,740.68
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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.