Finding the Fourth Proportional to 2,751,220.61, 3,790,439.06 and 2,128,886.03
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Solution
The fourth proportional to 2,751,220.61, 3,790,439.06 and 2,128,886.03 is: 2,933,030.06
Step by Step Solution
- Step 1: Write the proportion equation
2,751,220.61 : 3,790,439.06 = 2,128,886.03 : x - Step 2: Convert to fraction form
2,751,220.61/3,790,439.06 = 2,128,886.03/x - Step 3: Cross multiply
2,751,220.61x = 3,790,439.06 × 2,128,886.03 - Step 4: Simplify right side
2,751,220.61x = 8,069,412,732,803.71 - Step 5: Solve for x
x = 8,069,412,732,803.71/2,751,220.61 - Step 6: Final answer
x = 2,933,030.06
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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.