Finding the Fourth Proportional to 1,458,113.84, 2,012,194.32 and 813,495.68
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Solution
The fourth proportional to 1,458,113.84, 2,012,194.32 and 813,495.68 is: 1,122,622.49
Step by Step Solution
- Step 1: Write the proportion equation
1,458,113.84 : 2,012,194.32 = 813,495.68 : x - Step 2: Convert to fraction form
1,458,113.84/2,012,194.32 = 813,495.68/x - Step 3: Cross multiply
1,458,113.84x = 2,012,194.32 × 813,495.68 - Step 4: Simplify right side
1,458,113.84x = 1,636,911,386,640.54 - Step 5: Solve for x
x = 1,636,911,386,640.54/1,458,113.84 - Step 6: Final answer
x = 1,122,622.49
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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.