Finding the Fourth Proportional to 1,679,316.31, 2,315,625.10 and 1,134,506.12
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Solution
The fourth proportional to 1,679,316.31, 2,315,625.10 and 1,134,506.12 is: 1,564,381.19
Step by Step Solution
- Step 1: Write the proportion equation
1,679,316.31 : 2,315,625.10 = 1,134,506.12 : x - Step 2: Convert to fraction form
1,679,316.31/2,315,625.10 = 1,134,506.12/x - Step 3: Cross multiply
1,679,316.31x = 2,315,625.10 × 1,134,506.12 - Step 4: Simplify right side
1,679,316.31x = 2,627,090,847,575.61 - Step 5: Solve for x
x = 2,627,090,847,575.61/1,679,316.31 - Step 6: Final answer
x = 1,564,381.19
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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.