Finding the Fourth Proportional to 1,416,318.84, 2,125,106.22 and 742,239.90
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Solution
The fourth proportional to 1,416,318.84, 2,125,106.22 and 742,239.90 is: 1,113,688.94
Step by Step Solution
- Step 1: Write the proportion equation
1,416,318.84 : 2,125,106.22 = 742,239.90 : x - Step 2: Convert to fraction form
1,416,318.84/2,125,106.22 = 742,239.90/x - Step 3: Cross multiply
1,416,318.84x = 2,125,106.22 × 742,239.90 - Step 4: Simplify right side
1,416,318.84x = 1,577,338,628,222.18 - Step 5: Solve for x
x = 1,577,338,628,222.18/1,416,318.84 - Step 6: Final answer
x = 1,113,688.94
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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.