Finding the Fourth Proportional to 2,179,372.08, 3,005,829.36 and 1,415,671.68
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Solution
The fourth proportional to 2,179,372.08, 3,005,829.36 and 1,415,671.68 is: 1,952,519.97
Step by Step Solution
- Step 1: Write the proportion equation
2,179,372.08 : 3,005,829.36 = 1,415,671.68 : x - Step 2: Convert to fraction form
2,179,372.08/3,005,829.36 = 1,415,671.68/x - Step 3: Cross multiply
2,179,372.08x = 3,005,829.36 × 1,415,671.68 - Step 4: Simplify right side
2,179,372.08x = 4,255,267,499,864.52 - Step 5: Solve for x
x = 4,255,267,499,864.52/2,179,372.08 - Step 6: Final answer
x = 1,952,519.97
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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.