Finding the Fourth Proportional to 4,990,830.40, 7,481,330.40 and 2,466,875.20
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Solution
The fourth proportional to 4,990,830.40, 7,481,330.40 and 2,466,875.20 is: 3,697,883.31
Step by Step Solution
- Step 1: Write the proportion equation
4,990,830.40 : 7,481,330.40 = 2,466,875.20 : x - Step 2: Convert to fraction form
4,990,830.40/7,481,330.40 = 2,466,875.20/x - Step 3: Cross multiply
4,990,830.40x = 7,481,330.40 × 2,466,875.20 - Step 4: Simplify right side
4,990,830.40x = 18,455,508,426,766.08 - Step 5: Solve for x
x = 18,455,508,426,766.08/4,990,830.40 - Step 6: Final answer
x = 3,697,883.31
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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.