Finding the Fourth Proportional to 1,312,864, 1,958,991.36 and 1,232,615.68
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Solution
The fourth proportional to 1,312,864, 1,958,991.36 and 1,232,615.68 is: 1,839,248.75
Step by Step Solution
- Step 1: Write the proportion equation
1,312,864 : 1,958,991.36 = 1,232,615.68 : x - Step 2: Convert to fraction form
1,312,864/1,958,991.36 = 1,232,615.68/x - Step 3: Cross multiply
1,312,864x = 1,958,991.36 × 1,232,615.68 - Step 4: Simplify right side
1,312,864x = 2,414,683,467,320.53 - Step 5: Solve for x
x = 2,414,683,467,320.53/1,312,864 - Step 6: Final answer
x = 1,839,248.75
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.