Finding the Fourth Proportional to 1,913,298.96, 2,640,352.26 and 1,053,859.18
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Solution
The fourth proportional to 1,913,298.96, 2,640,352.26 and 1,053,859.18 is: 1,454,325.50
Step by Step Solution
- Step 1: Write the proportion equation
1,913,298.96 : 2,640,352.26 = 1,053,859.18 : x - Step 2: Convert to fraction form
1,913,298.96/2,640,352.26 = 1,053,859.18/x - Step 3: Cross multiply
1,913,298.96x = 2,640,352.26 × 1,053,859.18 - Step 4: Simplify right side
1,913,298.96x = 2,782,559,467,634.75 - Step 5: Solve for x
x = 2,782,559,467,634.75/1,913,298.96 - Step 6: Final answer
x = 1,454,325.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.