Finding the Fourth Proportional to 5,312,354.99, 7,927,099.96 and 4,739,800.22
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Solution
The fourth proportional to 5,312,354.99, 7,927,099.96 and 4,739,800.22 is: 7,072,733.31
Step by Step Solution
- Step 1: Write the proportion equation
5,312,354.99 : 7,927,099.96 = 4,739,800.22 : x - Step 2: Convert to fraction form
5,312,354.99/7,927,099.96 = 4,739,800.22/x - Step 3: Cross multiply
5,312,354.99x = 7,927,099.96 × 4,739,800.22 - Step 4: Simplify right side
5,312,354.99x = 37,572,870,100,659.24 - Step 5: Solve for x
x = 37,572,870,100,659.24/5,312,354.99 - Step 6: Final answer
x = 7,072,733.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.