Finding the Fourth Proportional to 2,011,473.21, 2,775,833.06 and 1,106,055.21
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Solution
The fourth proportional to 2,011,473.21, 2,775,833.06 and 1,106,055.21 is: 1,526,356.20
Step by Step Solution
- Step 1: Write the proportion equation
2,011,473.21 : 2,775,833.06 = 1,106,055.21 : x - Step 2: Convert to fraction form
2,011,473.21/2,775,833.06 = 1,106,055.21/x - Step 3: Cross multiply
2,011,473.21x = 2,775,833.06 × 1,106,055.21 - Step 4: Simplify right side
2,011,473.21x = 3,070,224,612,572.97 - Step 5: Solve for x
x = 3,070,224,612,572.97/2,011,473.21 - Step 6: Final answer
x = 1,526,356.20
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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.