Finding the Fourth Proportional to 6,102,088.53, 8,420,325.57 and 3,620,881.59
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Solution
The fourth proportional to 6,102,088.53, 8,420,325.57 and 3,620,881.59 is: 4,996,486.32
Step by Step Solution
- Step 1: Write the proportion equation
6,102,088.53 : 8,420,325.57 = 3,620,881.59 : x - Step 2: Convert to fraction form
6,102,088.53/8,420,325.57 = 3,620,881.59/x - Step 3: Cross multiply
6,102,088.53x = 8,420,325.57 × 3,620,881.59 - Step 4: Simplify right side
6,102,088.53x = 30,489,001,838,219.26 - Step 5: Solve for x
x = 30,489,001,838,219.26/6,102,088.53 - Step 6: Final answer
x = 4,996,486.32
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1.5x scale
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.