Finding the Fourth Proportional to 2,846,962.60, 3,928,774.98 and 1,557,788.20
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Solution
The fourth proportional to 2,846,962.60, 3,928,774.98 and 1,557,788.20 is: 2,149,729.44
Step by Step Solution
- Step 1: Write the proportion equation
2,846,962.60 : 3,928,774.98 = 1,557,788.20 : x - Step 2: Convert to fraction form
2,846,962.60/3,928,774.98 = 1,557,788.20/x - Step 3: Cross multiply
2,846,962.60x = 3,928,774.98 × 1,557,788.20 - Step 4: Simplify right side
2,846,962.60x = 6,120,199,304,299.24 - Step 5: Solve for x
x = 6,120,199,304,299.24/2,846,962.60 - Step 6: Final answer
x = 2,149,729.44
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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.