Finding the Fourth Proportional to 1,648,365.96, 2,272,511.80 and 1,409,217.52
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Solution
The fourth proportional to 1,648,365.96, 2,272,511.80 and 1,409,217.52 is: 1,942,810.95
Step by Step Solution
- Step 1: Write the proportion equation
1,648,365.96 : 2,272,511.80 = 1,409,217.52 : x - Step 2: Convert to fraction form
1,648,365.96/2,272,511.80 = 1,409,217.52/x - Step 3: Cross multiply
1,648,365.96x = 2,272,511.80 × 1,409,217.52 - Step 4: Simplify right side
1,648,365.96x = 3,202,463,442,966.74 - Step 5: Solve for x
x = 3,202,463,442,966.74/1,648,365.96 - Step 6: Final answer
x = 1,942,810.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.