Finding the Fourth Proportional to 1,702,638.01, 2,349,639.70 and 977,532.49
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Solution
The fourth proportional to 1,702,638.01, 2,349,639.70 and 977,532.49 is: 1,348,994.40
Step by Step Solution
- Step 1: Write the proportion equation
1,702,638.01 : 2,349,639.70 = 977,532.49 : x - Step 2: Convert to fraction form
1,702,638.01/2,349,639.70 = 977,532.49/x - Step 3: Cross multiply
1,702,638.01x = 2,349,639.70 × 977,532.49 - Step 4: Simplify right side
1,702,638.01x = 2,296,849,146,543.85 - Step 5: Solve for x
x = 2,296,849,146,543.85/1,702,638.01 - Step 6: Final answer
x = 1,348,994.40
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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.