Finding the Fourth Proportional to 1,186,438.41, 1,637,428.86 and 670,214.07
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Solution
The fourth proportional to 1,186,438.41, 1,637,428.86 and 670,214.07 is: 924,976.68
Step by Step Solution
- Step 1: Write the proportion equation
1,186,438.41 : 1,637,428.86 = 670,214.07 : x - Step 2: Convert to fraction form
1,186,438.41/1,637,428.86 = 670,214.07/x - Step 3: Cross multiply
1,186,438.41x = 1,637,428.86 × 670,214.07 - Step 4: Simplify right side
1,186,438.41x = 1,097,427,860,596.06 - Step 5: Solve for x
x = 1,097,427,860,596.06/1,186,438.41 - Step 6: Final answer
x = 924,976.68
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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.