Finding the Fourth Proportional to 2,762,822.79, 3,812,638.01 and 1,539,126.63
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Solution
The fourth proportional to 2,762,822.79, 3,812,638.01 and 1,539,126.63 is: 2,123,962.75
Step by Step Solution
- Step 1: Write the proportion equation
2,762,822.79 : 3,812,638.01 = 1,539,126.63 : x - Step 2: Convert to fraction form
2,762,822.79/3,812,638.01 = 1,539,126.63/x - Step 3: Cross multiply
2,762,822.79x = 3,812,638.01 × 1,539,126.63 - Step 4: Simplify right side
2,762,822.79x = 5,868,132,684,045.57 - Step 5: Solve for x
x = 5,868,132,684,045.57/2,762,822.79 - Step 6: Final answer
x = 2,123,962.75
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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.