Finding the Fourth Proportional to 2,652,701.78, 3,979,047.68 and 831,206.16
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Solution
The fourth proportional to 2,652,701.78, 3,979,047.68 and 831,206.16 is: 1,246,807.68
Step by Step Solution
- Step 1: Write the proportion equation
2,652,701.78 : 3,979,047.68 = 831,206.16 : x - Step 2: Convert to fraction form
2,652,701.78/3,979,047.68 = 831,206.16/x - Step 3: Cross multiply
2,652,701.78x = 3,979,047.68 × 831,206.16 - Step 4: Simplify right side
2,652,701.78x = 3,307,408,942,549.71 - Step 5: Solve for x
x = 3,307,408,942,549.71/2,652,701.78 - Step 6: Final answer
x = 1,246,807.68
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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.