Finding the Fourth Proportional to 2,118,231.68, 2,924,567.40 and 1,627,326.94
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Solution
The fourth proportional to 2,118,231.68, 2,924,567.40 and 1,627,326.94 is: 2,246,792.63
Step by Step Solution
- Step 1: Write the proportion equation
2,118,231.68 : 2,924,567.40 = 1,627,326.94 : x - Step 2: Convert to fraction form
2,118,231.68/2,924,567.40 = 1,627,326.94/x - Step 3: Cross multiply
2,118,231.68x = 2,924,567.40 × 1,627,326.94 - Step 4: Simplify right side
2,118,231.68x = 4,759,227,317,865.76 - Step 5: Solve for x
x = 4,759,227,317,865.76/2,118,231.68 - Step 6: Final answer
x = 2,246,792.63
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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.