Finding the Fourth Proportional to 5,102,820.18, 7,654,038.84 and 1,264,655.22
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Solution
The fourth proportional to 5,102,820.18, 7,654,038.84 and 1,264,655.22 is: 1,896,935.39
Step by Step Solution
- Step 1: Write the proportion equation
5,102,820.18 : 7,654,038.84 = 1,264,655.22 : x - Step 2: Convert to fraction form
5,102,820.18/7,654,038.84 = 1,264,655.22/x - Step 3: Cross multiply
5,102,820.18x = 7,654,038.84 × 1,264,655.22 - Step 4: Simplify right side
5,102,820.18x = 9,679,720,173,088.74 - Step 5: Solve for x
x = 9,679,720,173,088.74/5,102,820.18 - Step 6: Final answer
x = 1,896,935.39
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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.