Finding the Fourth Proportional to 5,426,316.68, 7,488,410.42 and 2,979,154.44
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Solution
The fourth proportional to 5,426,316.68, 7,488,410.42 and 2,979,154.44 is: 4,111,284.41
Step by Step Solution
- Step 1: Write the proportion equation
5,426,316.68 : 7,488,410.42 = 2,979,154.44 : x - Step 2: Convert to fraction form
5,426,316.68/7,488,410.42 = 2,979,154.44/x - Step 3: Cross multiply
5,426,316.68x = 7,488,410.42 × 2,979,154.44 - Step 4: Simplify right side
5,426,316.68x = 22,309,131,151,285.27 - Step 5: Solve for x
x = 22,309,131,151,285.27/5,426,316.68 - Step 6: Final answer
x = 4,111,284.41
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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.