Finding the Fourth Proportional to 3,817,365.12, 5,725,898.10 and 1,293,020.28
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Solution
The fourth proportional to 3,817,365.12, 5,725,898.10 and 1,293,020.28 is: 1,939,479.75
Step by Step Solution
- Step 1: Write the proportion equation
3,817,365.12 : 5,725,898.10 = 1,293,020.28 : x - Step 2: Convert to fraction form
3,817,365.12/5,725,898.10 = 1,293,020.28/x - Step 3: Cross multiply
3,817,365.12x = 5,725,898.10 × 1,293,020.28 - Step 4: Simplify right side
3,817,365.12x = 7,403,702,364,513.47 - Step 5: Solve for x
x = 7,403,702,364,513.47/3,817,365.12 - Step 6: Final answer
x = 1,939,479.75
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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.