Finding the Fourth Proportional to 7,029,763.24, 9,701,491.62 and 3,974,261.80
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Solution
The fourth proportional to 7,029,763.24, 9,701,491.62 and 3,974,261.80 is: 5,484,717.80
Step by Step Solution
- Step 1: Write the proportion equation
7,029,763.24 : 9,701,491.62 = 3,974,261.80 : x - Step 2: Convert to fraction form
7,029,763.24/9,701,491.62 = 3,974,261.80/x - Step 3: Cross multiply
7,029,763.24x = 9,701,491.62 × 3,974,261.80 - Step 4: Simplify right side
7,029,763.24x = 38,556,267,548,386.11 - Step 5: Solve for x
x = 38,556,267,548,386.11/7,029,763.24 - Step 6: Final answer
x = 5,484,717.80
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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.