Finding the Fourth Proportional to 1,578,848.97, 2,178,813.12 and 853,696.50
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Solution
The fourth proportional to 1,578,848.97, 2,178,813.12 and 853,696.50 is: 1,178,102.00
Step by Step Solution
- Step 1: Write the proportion equation
1,578,848.97 : 2,178,813.12 = 853,696.50 : x - Step 2: Convert to fraction form
1,578,848.97/2,178,813.12 = 853,696.50/x - Step 3: Cross multiply
1,578,848.97x = 2,178,813.12 × 853,696.50 - Step 4: Simplify right side
1,578,848.97x = 1,860,045,134,698.08 - Step 5: Solve for x
x = 1,860,045,134,698.08/1,578,848.97 - Step 6: Final answer
x = 1,178,102.00
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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.