Finding the Fourth Proportional to 2,122,268.64, 2,930,675.99 and 1,348,148.99
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Solution
The fourth proportional to 2,122,268.64, 2,930,675.99 and 1,348,148.99 is: 1,861,681.31
Step by Step Solution
- Step 1: Write the proportion equation
2,122,268.64 : 2,930,675.99 = 1,348,148.99 : x - Step 2: Convert to fraction form
2,122,268.64/2,930,675.99 = 1,348,148.99/x - Step 3: Cross multiply
2,122,268.64x = 2,930,675.99 × 1,348,148.99 - Step 4: Simplify right side
2,122,268.64x = 3,950,987,854,541.63 - Step 5: Solve for x
x = 3,950,987,854,541.63/2,122,268.64 - Step 6: Final answer
x = 1,861,681.31
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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.