Finding the Fourth Proportional to 1,358,869.12, 2,038,349.76 and 361,598.08
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Solution
The fourth proportional to 1,358,869.12, 2,038,349.76 and 361,598.08 is: 542,409.38
Step by Step Solution
- Step 1: Write the proportion equation
1,358,869.12 : 2,038,349.76 = 361,598.08 : x - Step 2: Convert to fraction form
1,358,869.12/2,038,349.76 = 361,598.08/x - Step 3: Cross multiply
1,358,869.12x = 2,038,349.76 × 361,598.08 - Step 4: Simplify right side
1,358,869.12x = 737,063,359,584.46 - Step 5: Solve for x
x = 737,063,359,584.46/1,358,869.12 - Step 6: Final answer
x = 542,409.38
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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.