Finding the Fourth Proportional to 2,569,685.68, 3,860,090.52 and 1,670,665.06
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Solution
The fourth proportional to 2,569,685.68, 3,860,090.52 and 1,670,665.06 is: 2,509,613.69
Step by Step Solution
- Step 1: Write the proportion equation
2,569,685.68 : 3,860,090.52 = 1,670,665.06 : x - Step 2: Convert to fraction form
2,569,685.68/3,860,090.52 = 1,670,665.06/x - Step 3: Cross multiply
2,569,685.68x = 3,860,090.52 × 1,670,665.06 - Step 4: Simplify right side
2,569,685.68x = 6,448,918,360,201.23 - Step 5: Solve for x
x = 6,448,918,360,201.23/2,569,685.68 - Step 6: Final answer
x = 2,509,613.69
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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.