Finding the Fourth Proportional to 7,262,131.80, 10,893,197.70 and 1,943,347.80
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Solution
The fourth proportional to 7,262,131.80, 10,893,197.70 and 1,943,347.80 is: 2,915,021.70
Step by Step Solution
- Step 1: Write the proportion equation
7,262,131.80 : 10,893,197.70 = 1,943,347.80 : x - Step 2: Convert to fraction form
7,262,131.80/10,893,197.70 = 1,943,347.80/x - Step 3: Cross multiply
7,262,131.80x = 10,893,197.70 × 1,943,347.80 - Step 4: Simplify right side
7,262,131.80x = 21,169,271,785,260.06 - Step 5: Solve for x
x = 21,169,271,785,260.06/7,262,131.80 - Step 6: Final answer
x = 2,915,021.70
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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.