Finding the Fourth Proportional to 2,134,918.67, 2,946,230.30 and 1,168,069.70
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Solution
The fourth proportional to 2,134,918.67, 2,946,230.30 and 1,168,069.70 is: 1,611,959.47
Step by Step Solution
- Step 1: Write the proportion equation
2,134,918.67 : 2,946,230.30 = 1,168,069.70 : x - Step 2: Convert to fraction form
2,134,918.67/2,946,230.30 = 1,168,069.70/x - Step 3: Cross multiply
2,134,918.67x = 2,946,230.30 × 1,168,069.70 - Step 4: Simplify right side
2,134,918.67x = 3,441,402,352,937.66 - Step 5: Solve for x
x = 3,441,402,352,937.66/2,134,918.67 - Step 6: Final answer
x = 1,611,959.47
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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.