Finding the Fourth Proportional to 1,890,804, 2,609,317.68 and 1,031,382.88
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Solution
The fourth proportional to 1,890,804, 2,609,317.68 and 1,031,382.88 is: 1,423,312.83
Step by Step Solution
- Step 1: Write the proportion equation
1,890,804 : 2,609,317.68 = 1,031,382.88 : x - Step 2: Convert to fraction form
1,890,804/2,609,317.68 = 1,031,382.88/x - Step 3: Cross multiply
1,890,804x = 2,609,317.68 × 1,031,382.88 - Step 4: Simplify right side
1,890,804x = 2,691,205,583,633.32 - Step 5: Solve for x
x = 2,691,205,583,633.32/1,890,804 - Step 6: Final answer
x = 1,423,312.83
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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.