Finding the Fourth Proportional to 1,719,038.70, 2,579,076.45 and 920,702.70
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Solution
The fourth proportional to 1,719,038.70, 2,579,076.45 and 920,702.70 is: 1,381,331.70
Step by Step Solution
- Step 1: Write the proportion equation
1,719,038.70 : 2,579,076.45 = 920,702.70 : x - Step 2: Convert to fraction form
1,719,038.70/2,579,076.45 = 920,702.70/x - Step 3: Cross multiply
1,719,038.70x = 2,579,076.45 × 920,702.70 - Step 4: Simplify right side
1,719,038.70x = 2,374,562,651,021.42 - Step 5: Solve for x
x = 2,374,562,651,021.42/1,719,038.70 - Step 6: Final answer
x = 1,381,331.70
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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.