Finding the Fourth Proportional to 1,698,347.98, 2,343,686.70 and 934,414.30
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Solution
The fourth proportional to 1,698,347.98, 2,343,686.70 and 934,414.30 is: 1,289,473.30
Step by Step Solution
- Step 1: Write the proportion equation
1,698,347.98 : 2,343,686.70 = 934,414.30 : x - Step 2: Convert to fraction form
1,698,347.98/2,343,686.70 = 934,414.30/x - Step 3: Cross multiply
1,698,347.98x = 2,343,686.70 × 934,414.30 - Step 4: Simplify right side
1,698,347.98x = 2,189,974,367,199.81 - Step 5: Solve for x
x = 2,189,974,367,199.81/1,698,347.98 - Step 6: Final answer
x = 1,289,473.30
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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.