Finding the Fourth Proportional to 7,176,948.30, 10,761,704.55 and 2,127,602.70
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Solution
The fourth proportional to 7,176,948.30, 10,761,704.55 and 2,127,602.70 is: 3,190,301.88
Step by Step Solution
- Step 1: Write the proportion equation
7,176,948.30 : 10,761,704.55 = 2,127,602.70 : x - Step 2: Convert to fraction form
7,176,948.30/10,761,704.55 = 2,127,602.70/x - Step 3: Cross multiply
7,176,948.30x = 10,761,704.55 × 2,127,602.70 - Step 4: Simplify right side
7,176,948.30x = 22,896,631,657,182.29 - Step 5: Solve for x
x = 22,896,631,657,182.29/7,176,948.30 - Step 6: Final answer
x = 3,190,301.88
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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.