Finding the Fourth Proportional to 4,388,416.34, 6,580,257.68 and 1,990,952.82
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Solution
The fourth proportional to 4,388,416.34, 6,580,257.68 and 1,990,952.82 is: 2,985,355.44
Step by Step Solution
- Step 1: Write the proportion equation
4,388,416.34 : 6,580,257.68 = 1,990,952.82 : x - Step 2: Convert to fraction form
4,388,416.34/6,580,257.68 = 1,990,952.82/x - Step 3: Cross multiply
4,388,416.34x = 6,580,257.68 × 1,990,952.82 - Step 4: Simplify right side
4,388,416.34x = 13,100,982,584,322.66 - Step 5: Solve for x
x = 13,100,982,584,322.66/4,388,416.34 - Step 6: Final answer
x = 2,985,355.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.