Finding the Fourth Proportional to 2,748,921.18, 3,793,966.30 and 1,525,619.62
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Solution
The fourth proportional to 2,748,921.18, 3,793,966.30 and 1,525,619.62 is: 2,105,607.64
Step by Step Solution
- Step 1: Write the proportion equation
2,748,921.18 : 3,793,966.30 = 1,525,619.62 : x - Step 2: Convert to fraction form
2,748,921.18/3,793,966.30 = 1,525,619.62/x - Step 3: Cross multiply
2,748,921.18x = 3,793,966.30 × 1,525,619.62 - Step 4: Simplify right side
2,748,921.18x = 5,788,149,424,898.81 - Step 5: Solve for x
x = 5,788,149,424,898.81/2,748,921.18 - Step 6: Final answer
x = 2,105,607.64
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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.