Finding the Fourth Proportional to 5,513,935.60, 8,272,024.40 and 1,919,982.80
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Solution
The fourth proportional to 5,513,935.60, 8,272,024.40 and 1,919,982.80 is: 2,880,364.54
Step by Step Solution
- Step 1: Write the proportion equation
5,513,935.60 : 8,272,024.40 = 1,919,982.80 : x - Step 2: Convert to fraction form
5,513,935.60/8,272,024.40 = 1,919,982.80/x - Step 3: Cross multiply
5,513,935.60x = 8,272,024.40 × 1,919,982.80 - Step 4: Simplify right side
5,513,935.60x = 15,882,144,569,180.32 - Step 5: Solve for x
x = 15,882,144,569,180.32/5,513,935.60 - Step 6: Final answer
x = 2,880,364.54
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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.