Finding the Fourth Proportional to 2,778,332.84, 4,167,660.72 and 1,072,485.80
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Solution
The fourth proportional to 2,778,332.84, 4,167,660.72 and 1,072,485.80 is: 1,608,791.03
Step by Step Solution
- Step 1: Write the proportion equation
2,778,332.84 : 4,167,660.72 = 1,072,485.80 : x - Step 2: Convert to fraction form
2,778,332.84/4,167,660.72 = 1,072,485.80/x - Step 3: Cross multiply
2,778,332.84x = 4,167,660.72 × 1,072,485.80 - Step 4: Simplify right side
2,778,332.84x = 4,469,756,941,417.78 - Step 5: Solve for x
x = 4,469,756,941,417.78/2,778,332.84 - Step 6: Final answer
x = 1,608,791.03
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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.