Finding the Fourth Proportional to 5,346,901.80, 8,020,352.70 and 3,929,725.80
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Solution
The fourth proportional to 5,346,901.80, 8,020,352.70 and 3,929,725.80 is: 5,894,588.70
Step by Step Solution
- Step 1: Write the proportion equation
5,346,901.80 : 8,020,352.70 = 3,929,725.80 : x - Step 2: Convert to fraction form
5,346,901.80/8,020,352.70 = 3,929,725.80/x - Step 3: Cross multiply
5,346,901.80x = 8,020,352.70 × 3,929,725.80 - Step 4: Simplify right side
5,346,901.80x = 31,517,786,930,289.66 - Step 5: Solve for x
x = 31,517,786,930,289.66/5,346,901.80 - Step 6: Final answer
x = 5,894,588.70
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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.