Finding the Fourth Proportional to 5,292,915.84, 7,935,781.01 and 2,692,830.42
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Solution
The fourth proportional to 5,292,915.84, 7,935,781.01 and 2,692,830.42 is: 4,037,417.78
Step by Step Solution
- Step 1: Write the proportion equation
5,292,915.84 : 7,935,781.01 = 2,692,830.42 : x - Step 2: Convert to fraction form
5,292,915.84/7,935,781.01 = 2,692,830.42/x - Step 3: Cross multiply
5,292,915.84x = 7,935,781.01 × 2,692,830.42 - Step 4: Simplify right side
5,292,915.84x = 21,369,712,496,722.17 - Step 5: Solve for x
x = 21,369,712,496,722.17/5,292,915.84 - Step 6: Final answer
x = 4,037,417.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.