Finding the Fourth Proportional to 5,478,323.12, 8,213,030.76 and 2,285,827.28
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Solution
The fourth proportional to 5,478,323.12, 8,213,030.76 and 2,285,827.28 is: 3,426,882.52
Step by Step Solution
- Step 1: Write the proportion equation
5,478,323.12 : 8,213,030.76 = 2,285,827.28 : x - Step 2: Convert to fraction form
5,478,323.12/8,213,030.76 = 2,285,827.28/x - Step 3: Cross multiply
5,478,323.12x = 8,213,030.76 × 2,285,827.28 - Step 4: Simplify right side
5,478,323.12x = 18,773,569,762,687.13 - Step 5: Solve for x
x = 18,773,569,762,687.13/5,478,323.12 - Step 6: Final answer
x = 3,426,882.52
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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.