Finding the Fourth Proportional to 1,609,670.84, 2,219,126.13 and 1,284,088.91
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Solution
The fourth proportional to 1,609,670.84, 2,219,126.13 and 1,284,088.91 is: 1,770,272.02
Step by Step Solution
- Step 1: Write the proportion equation
1,609,670.84 : 2,219,126.13 = 1,284,088.91 : x - Step 2: Convert to fraction form
1,609,670.84/2,219,126.13 = 1,284,088.91/x - Step 3: Cross multiply
1,609,670.84x = 2,219,126.13 × 1,284,088.91 - Step 4: Simplify right side
1,609,670.84x = 2,849,555,242,328.59 - Step 5: Solve for x
x = 2,849,555,242,328.59/1,609,670.84 - Step 6: Final answer
x = 1,770,272.02
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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.