Finding the Fourth Proportional to 1,363,990.06, 1,881,977.11 and 880,451.65
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Solution
The fourth proportional to 1,363,990.06, 1,881,977.11 and 880,451.65 is: 1,214,810.80
Step by Step Solution
- Step 1: Write the proportion equation
1,363,990.06 : 1,881,977.11 = 880,451.65 : x - Step 2: Convert to fraction form
1,363,990.06/1,881,977.11 = 880,451.65/x - Step 3: Cross multiply
1,363,990.06x = 1,881,977.11 × 880,451.65 - Step 4: Simplify right side
1,363,990.06x = 1,656,989,851,761.73 - Step 5: Solve for x
x = 1,656,989,851,761.73/1,363,990.06 - Step 6: Final answer
x = 1,214,810.80
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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.