Finding the Fourth Proportional to 5,818,989.76, 8,728,280.64 and 1,775,314.24
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Solution
The fourth proportional to 5,818,989.76, 8,728,280.64 and 1,775,314.24 is: 2,662,909.12
Step by Step Solution
- Step 1: Write the proportion equation
5,818,989.76 : 8,728,280.64 = 1,775,314.24 : x - Step 2: Convert to fraction form
5,818,989.76/8,728,280.64 = 1,775,314.24/x - Step 3: Cross multiply
5,818,989.76x = 8,728,280.64 × 1,775,314.24 - Step 4: Simplify right side
5,818,989.76x = 15,495,440,910,908.31 - Step 5: Solve for x
x = 15,495,440,910,908.31/5,818,989.76 - Step 6: Final answer
x = 2,662,909.12
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1.5x scale
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.