Finding the Fourth Proportional to 6,226,239.60, 8,591,108.40 and 3,509,985.60
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Solution
The fourth proportional to 6,226,239.60, 8,591,108.40 and 3,509,985.60 is: 4,843,158.75
Step by Step Solution
- Step 1: Write the proportion equation
6,226,239.60 : 8,591,108.40 = 3,509,985.60 : x - Step 2: Convert to fraction form
6,226,239.60/8,591,108.40 = 3,509,985.60/x - Step 3: Cross multiply
6,226,239.60x = 8,591,108.40 × 3,509,985.60 - Step 4: Simplify right side
6,226,239.60x = 30,154,666,772,039.04 - Step 5: Solve for x
x = 30,154,666,772,039.04/6,226,239.60 - Step 6: Final answer
x = 4,843,158.75
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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.