Finding the Fourth Proportional to 1,916,844.35, 2,645,252.76 and 1,045,697.67
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Solution
The fourth proportional to 1,916,844.35, 2,645,252.76 and 1,045,697.67 is: 1,443,066.90
Step by Step Solution
- Step 1: Write the proportion equation
1,916,844.35 : 2,645,252.76 = 1,045,697.67 : x - Step 2: Convert to fraction form
1,916,844.35/2,645,252.76 = 1,045,697.67/x - Step 3: Cross multiply
1,916,844.35x = 2,645,252.76 × 1,045,697.67 - Step 4: Simplify right side
1,916,844.35x = 2,766,134,638,638.43 - Step 5: Solve for x
x = 2,766,134,638,638.43/1,916,844.35 - Step 6: Final answer
x = 1,443,066.90
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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.