Finding the Fourth Proportional to 5,264,806.40, 7,897,209.60 and 3,564,195.20
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Solution
The fourth proportional to 5,264,806.40, 7,897,209.60 and 3,564,195.20 is: 5,346,292.80
Step by Step Solution
- Step 1: Write the proportion equation
5,264,806.40 : 7,897,209.60 = 3,564,195.20 : x - Step 2: Convert to fraction form
5,264,806.40/7,897,209.60 = 3,564,195.20/x - Step 3: Cross multiply
5,264,806.40x = 7,897,209.60 × 3,564,195.20 - Step 4: Simplify right side
5,264,806.40x = 28,147,196,549,713.92 - Step 5: Solve for x
x = 28,147,196,549,713.92/5,264,806.40 - Step 6: Final answer
x = 5,346,292.80
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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.