Finding the Fourth Proportional to 6,838,339.40, 10,258,430.70 and 2,351,990.60
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Solution
The fourth proportional to 6,838,339.40, 10,258,430.70 and 2,351,990.60 is: 3,528,302.88
Step by Step Solution
- Step 1: Write the proportion equation
6,838,339.40 : 10,258,430.70 = 2,351,990.60 : x - Step 2: Convert to fraction form
6,838,339.40/10,258,430.70 = 2,351,990.60/x - Step 3: Cross multiply
6,838,339.40x = 10,258,430.70 × 2,351,990.60 - Step 4: Simplify right side
6,838,339.40x = 24,127,732,577,151.42 - Step 5: Solve for x
x = 24,127,732,577,151.42/6,838,339.40 - Step 6: Final answer
x = 3,528,302.88
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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.