Finding the Fourth Proportional to 6,315,412.84, 9,471,690.54 and 2,900,416.36
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Solution
The fourth proportional to 6,315,412.84, 9,471,690.54 and 2,900,416.36 is: 4,349,968.39
Step by Step Solution
- Step 1: Write the proportion equation
6,315,412.84 : 9,471,690.54 = 2,900,416.36 : x - Step 2: Convert to fraction form
6,315,412.84/9,471,690.54 = 2,900,416.36/x - Step 3: Cross multiply
6,315,412.84x = 9,471,690.54 × 2,900,416.36 - Step 4: Simplify right side
6,315,412.84x = 27,471,846,199,073.23 - Step 5: Solve for x
x = 27,471,846,199,073.23/6,315,412.84 - Step 6: Final answer
x = 4,349,968.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.