Finding the Fourth Proportional to 1,376,930.99, 2,063,919.86 and 665,981.03
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Solution
The fourth proportional to 1,376,930.99, 2,063,919.86 and 665,981.03 is: 998,257.34
Step by Step Solution
- Step 1: Write the proportion equation
1,376,930.99 : 2,063,919.86 = 665,981.03 : x - Step 2: Convert to fraction form
1,376,930.99/2,063,919.86 = 665,981.03/x - Step 3: Cross multiply
1,376,930.99x = 2,063,919.86 × 665,981.03 - Step 4: Simplify right side
1,376,930.99x = 1,374,531,470,870.35 - Step 5: Solve for x
x = 1,374,531,470,870.35/1,376,930.99 - Step 6: Final answer
x = 998,257.34
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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.