Finding the Fourth Proportional to 3,122,686.37, 4,310,223.55 and 1,816,245.70
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Solution
The fourth proportional to 3,122,686.37, 4,310,223.55 and 1,816,245.70 is: 2,506,952.04
Step by Step Solution
- Step 1: Write the proportion equation
3,122,686.37 : 4,310,223.55 = 1,816,245.70 : x - Step 2: Convert to fraction form
3,122,686.37/4,310,223.55 = 1,816,245.70/x - Step 3: Cross multiply
3,122,686.37x = 4,310,223.55 × 1,816,245.70 - Step 4: Simplify right side
3,122,686.37x = 7,828,424,973,410.06 - Step 5: Solve for x
x = 7,828,424,973,410.06/3,122,686.37 - Step 6: Final answer
x = 2,506,952.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.