Finding the Fourth Proportional to 2,220,048.39, 3,063,666.74 and 1,201,453.14
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Solution
The fourth proportional to 2,220,048.39, 3,063,666.74 and 1,201,453.14 is: 1,658,005.31
Step by Step Solution
- Step 1: Write the proportion equation
2,220,048.39 : 3,063,666.74 = 1,201,453.14 : x - Step 2: Convert to fraction form
2,220,048.39/3,063,666.74 = 1,201,453.14/x - Step 3: Cross multiply
2,220,048.39x = 3,063,666.74 × 1,201,453.14 - Step 4: Simplify right side
2,220,048.39x = 3,680,852,009,368.23 - Step 5: Solve for x
x = 3,680,852,009,368.23/2,220,048.39 - Step 6: Final answer
x = 1,658,005.31
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1.5x scale
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.