Finding the Fourth Proportional to 1,926,761.22, 2,656,409.85 and 1,657,719.09
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Solution
The fourth proportional to 1,926,761.22, 2,656,409.85 and 1,657,719.09 is: 2,285,483.68
Step by Step Solution
- Step 1: Write the proportion equation
1,926,761.22 : 2,656,409.85 = 1,657,719.09 : x - Step 2: Convert to fraction form
1,926,761.22/2,656,409.85 = 1,657,719.09/x - Step 3: Cross multiply
1,926,761.22x = 2,656,409.85 × 1,657,719.09 - Step 4: Simplify right side
1,926,761.22x = 4,403,581,319,209.04 - Step 5: Solve for x
x = 4,403,581,319,209.04/1,926,761.22 - Step 6: Final answer
x = 2,285,483.68
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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.