Finding the Fourth Proportional to 4,493,995.52, 6,740,006.70 and 1,298,426.45
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Solution
The fourth proportional to 4,493,995.52, 6,740,006.70 and 1,298,426.45 is: 1,947,354.63
Step by Step Solution
- Step 1: Write the proportion equation
4,493,995.52 : 6,740,006.70 = 1,298,426.45 : x - Step 2: Convert to fraction form
4,493,995.52/6,740,006.70 = 1,298,426.45/x - Step 3: Cross multiply
4,493,995.52x = 6,740,006.70 × 1,298,426.45 - Step 4: Simplify right side
4,493,995.52x = 8,751,402,972,457.22 - Step 5: Solve for x
x = 8,751,402,972,457.22/4,493,995.52 - Step 6: Final answer
x = 1,947,354.63
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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.