Finding the Fourth Proportional to 1,564,818.15, 2,344,181.63 and 1,153,738.70
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Solution
The fourth proportional to 1,564,818.15, 2,344,181.63 and 1,153,738.70 is: 1,728,362.52
Step by Step Solution
- Step 1: Write the proportion equation
1,564,818.15 : 2,344,181.63 = 1,153,738.70 : x - Step 2: Convert to fraction form
1,564,818.15/2,344,181.63 = 1,153,738.70/x - Step 3: Cross multiply
1,564,818.15x = 2,344,181.63 × 1,153,738.70 - Step 4: Simplify right side
1,564,818.15x = 2,704,573,048,870.48 - Step 5: Solve for x
x = 2,704,573,048,870.48/1,564,818.15 - Step 6: Final answer
x = 1,728,362.52
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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.