Finding the Fourth Proportional to 4,086,685.80, 6,130,011.60 and 1,246,788.48
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Solution
The fourth proportional to 4,086,685.80, 6,130,011.60 and 1,246,788.48 is: 1,870,177.50
Step by Step Solution
- Step 1: Write the proportion equation
4,086,685.80 : 6,130,011.60 = 1,246,788.48 : x - Step 2: Convert to fraction form
4,086,685.80/6,130,011.60 = 1,246,788.48/x - Step 3: Cross multiply
4,086,685.80x = 6,130,011.60 × 1,246,788.48 - Step 4: Simplify right side
4,086,685.80x = 7,642,827,845,146.37 - Step 5: Solve for x
x = 7,642,827,845,146.37/4,086,685.80 - Step 6: Final answer
x = 1,870,177.50
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1.5x scale
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.