Finding the Fourth Proportional to 4,455,043.68, 6,147,962.79 and 2,417,853.18
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Solution
The fourth proportional to 4,455,043.68, 6,147,962.79 and 2,417,853.18 is: 3,336,638.75
Step by Step Solution
- Step 1: Write the proportion equation
4,455,043.68 : 6,147,962.79 = 2,417,853.18 : x - Step 2: Convert to fraction form
4,455,043.68/6,147,962.79 = 2,417,853.18/x - Step 3: Cross multiply
4,455,043.68x = 6,147,962.79 × 2,417,853.18 - Step 4: Simplify right side
4,455,043.68x = 14,864,871,382,323.17 - Step 5: Solve for x
x = 14,864,871,382,323.17/4,455,043.68 - Step 6: Final answer
x = 3,336,638.75
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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.