Finding the Fourth Proportional to 1,363,338.69, 1,881,420.56 and 751,515.09
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Solution
The fourth proportional to 1,363,338.69, 1,881,420.56 and 751,515.09 is: 1,037,098.08
Step by Step Solution
- Step 1: Write the proportion equation
1,363,338.69 : 1,881,420.56 = 751,515.09 : x - Step 2: Convert to fraction form
1,363,338.69/1,881,420.56 = 751,515.09/x - Step 3: Cross multiply
1,363,338.69x = 1,881,420.56 × 751,515.09 - Step 4: Simplify right side
1,363,338.69x = 1,413,915,937,718.67 - Step 5: Solve for x
x = 1,413,915,937,718.67/1,363,338.69 - Step 6: Final answer
x = 1,037,098.08
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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.