Finding the Fourth Proportional to 1,340,995.70, 2,013,826.35 and 711,139.70
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Solution
The fourth proportional to 1,340,995.70, 2,013,826.35 and 711,139.70 is: 1,067,946.65
Step by Step Solution
- Step 1: Write the proportion equation
1,340,995.70 : 2,013,826.35 = 711,139.70 : x - Step 2: Convert to fraction form
1,340,995.70/2,013,826.35 = 711,139.70/x - Step 3: Cross multiply
1,340,995.70x = 2,013,826.35 × 711,139.70 - Step 4: Simplify right side
1,340,995.70x = 1,432,111,866,391.10 - Step 5: Solve for x
x = 1,432,111,866,391.10/1,340,995.70 - Step 6: Final answer
x = 1,067,946.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.