Finding the Fourth Proportional to 1,931,978.70, 2,898,302.08 and 652,595.49
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Solution
The fourth proportional to 1,931,978.70, 2,898,302.08 and 652,595.49 is: 979,006.07
Step by Step Solution
- Step 1: Write the proportion equation
1,931,978.70 : 2,898,302.08 = 652,595.49 : x - Step 2: Convert to fraction form
1,931,978.70/2,898,302.08 = 652,595.49/x - Step 3: Cross multiply
1,931,978.70x = 2,898,302.08 × 652,595.49 - Step 4: Simplify right side
1,931,978.70x = 1,891,418,866,065.62 - Step 5: Solve for x
x = 1,891,418,866,065.62/1,931,978.70 - Step 6: Final answer
x = 979,006.07
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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.