Finding the Fourth Proportional to 4,784,572.80, 6,602,731.20 and 2,851,804.80
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Solution
The fourth proportional to 4,784,572.80, 6,602,731.20 and 2,851,804.80 is: 3,935,502.98
Step by Step Solution
- Step 1: Write the proportion equation
4,784,572.80 : 6,602,731.20 = 2,851,804.80 : x - Step 2: Convert to fraction form
4,784,572.80/6,602,731.20 = 2,851,804.80/x - Step 3: Cross multiply
4,784,572.80x = 6,602,731.20 × 2,851,804.80 - Step 4: Simplify right side
4,784,572.80x = 18,829,700,529,269.76 - Step 5: Solve for x
x = 18,829,700,529,269.76/4,784,572.80 - Step 6: Final answer
x = 3,935,502.98
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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.