Finding the Fourth Proportional to 3,201,848.12, 4,418,655.64 and 1,825,167.26
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Solution
The fourth proportional to 3,201,848.12, 4,418,655.64 and 1,825,167.26 is: 2,518,790.81
Step by Step Solution
- Step 1: Write the proportion equation
3,201,848.12 : 4,418,655.64 = 1,825,167.26 : x - Step 2: Convert to fraction form
3,201,848.12/4,418,655.64 = 1,825,167.26/x - Step 3: Cross multiply
3,201,848.12x = 4,418,655.64 × 1,825,167.26 - Step 4: Simplify right side
3,201,848.12x = 8,064,785,607,342.35 - Step 5: Solve for x
x = 8,064,785,607,342.35/3,201,848.12 - Step 6: Final answer
x = 2,518,790.81
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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.