Finding the Fourth Proportional to 1,968,587.84, 2,953,293.68 and 831,353.31
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Solution
The fourth proportional to 1,968,587.84, 2,953,293.68 and 831,353.31 is: 1,247,203.92
Step by Step Solution
- Step 1: Write the proportion equation
1,968,587.84 : 2,953,293.68 = 831,353.31 : x - Step 2: Convert to fraction form
1,968,587.84/2,953,293.68 = 831,353.31/x - Step 3: Cross multiply
1,968,587.84x = 2,953,293.68 × 831,353.31 - Step 4: Simplify right side
1,968,587.84x = 2,455,230,478,348.46 - Step 5: Solve for x
x = 2,455,230,478,348.46/1,968,587.84 - Step 6: Final answer
x = 1,247,203.92
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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.