Finding the Fourth Proportional to 1,663,656.18, 2,295,852.42 and 899,709.74
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Solution
The fourth proportional to 1,663,656.18, 2,295,852.42 and 899,709.74 is: 1,241,603.17
Step by Step Solution
- Step 1: Write the proportion equation
1,663,656.18 : 2,295,852.42 = 899,709.74 : x - Step 2: Convert to fraction form
1,663,656.18/2,295,852.42 = 899,709.74/x - Step 3: Cross multiply
1,663,656.18x = 2,295,852.42 × 899,709.74 - Step 4: Simplify right side
1,663,656.18x = 2,065,600,783,876.57 - Step 5: Solve for x
x = 2,065,600,783,876.57/1,663,656.18 - Step 6: Final answer
x = 1,241,603.17
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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.