Finding the Fourth Proportional to 5,425,504.70, 8,125,815.45 and 5,301,088.70
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Solution
The fourth proportional to 5,425,504.70, 8,125,815.45 and 5,301,088.70 is: 7,939,476.76
Step by Step Solution
- Step 1: Write the proportion equation
5,425,504.70 : 8,125,815.45 = 5,301,088.70 : x - Step 2: Convert to fraction form
5,425,504.70/8,125,815.45 = 5,301,088.70/x - Step 3: Cross multiply
5,425,504.70x = 8,125,815.45 × 5,301,088.70 - Step 4: Simplify right side
5,425,504.70x = 43,075,668,460,280.41 - Step 5: Solve for x
x = 43,075,668,460,280.41/5,425,504.70 - Step 6: Final answer
x = 7,939,476.76
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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.