Finding the Fourth Proportional to 1,610,325.68, 2,221,508.79 and 1,426,751.54
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Solution
The fourth proportional to 1,610,325.68, 2,221,508.79 and 1,426,751.54 is: 1,968,260.91
Step by Step Solution
- Step 1: Write the proportion equation
1,610,325.68 : 2,221,508.79 = 1,426,751.54 : x - Step 2: Convert to fraction form
1,610,325.68/2,221,508.79 = 1,426,751.54/x - Step 3: Cross multiply
1,610,325.68x = 2,221,508.79 × 1,426,751.54 - Step 4: Simplify right side
1,610,325.68x = 3,169,541,076,148.49 - Step 5: Solve for x
x = 3,169,541,076,148.49/1,610,325.68 - Step 6: Final answer
x = 1,968,260.91
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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.