Finding the Fourth Proportional to 1,427,733.08, 1,970,271.66 and 783,154.76
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Solution
The fourth proportional to 1,427,733.08, 1,970,271.66 and 783,154.76 is: 1,080,753.57
Step by Step Solution
- Step 1: Write the proportion equation
1,427,733.08 : 1,970,271.66 = 783,154.76 : x - Step 2: Convert to fraction form
1,427,733.08/1,970,271.66 = 783,154.76/x - Step 3: Cross multiply
1,427,733.08x = 1,970,271.66 × 783,154.76 - Step 4: Simplify right side
1,427,733.08x = 1,543,027,629,022.10 - Step 5: Solve for x
x = 1,543,027,629,022.10/1,427,733.08 - Step 6: Final answer
x = 1,080,753.57
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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.