Finding the Fourth Proportional to 1,926,331.60, 2,887,423.80 and 727,790.80
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Solution
The fourth proportional to 1,926,331.60, 2,887,423.80 and 727,790.80 is: 1,090,902.77
Step by Step Solution
- Step 1: Write the proportion equation
1,926,331.60 : 2,887,423.80 = 727,790.80 : x - Step 2: Convert to fraction form
1,926,331.60/2,887,423.80 = 727,790.80/x - Step 3: Cross multiply
1,926,331.60x = 2,887,423.80 × 727,790.80 - Step 4: Simplify right side
1,926,331.60x = 2,101,440,477,341.04 - Step 5: Solve for x
x = 2,101,440,477,341.04/1,926,331.60 - Step 6: Final answer
x = 1,090,902.77
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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.