Finding the Fourth Proportional to 2,912,562.56, 4,368,840.08 and 782,646.71
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Solution
The fourth proportional to 2,912,562.56, 4,368,840.08 and 782,646.71 is: 1,173,969.05
Step by Step Solution
- Step 1: Write the proportion equation
2,912,562.56 : 4,368,840.08 = 782,646.71 : x - Step 2: Convert to fraction form
2,912,562.56/4,368,840.08 = 782,646.71/x - Step 3: Cross multiply
2,912,562.56x = 4,368,840.08 × 782,646.71 - Step 4: Simplify right side
2,912,562.56x = 3,419,258,293,283.94 - Step 5: Solve for x
x = 3,419,258,293,283.94/2,912,562.56 - Step 6: Final answer
x = 1,173,969.05
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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.