Finding the Fourth Proportional to 1,369,444.98, 1,889,494.53 and 885,427.70
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Solution
The fourth proportional to 1,369,444.98, 1,889,494.53 and 885,427.70 is: 1,221,670.70
Step by Step Solution
- Step 1: Write the proportion equation
1,369,444.98 : 1,889,494.53 = 885,427.70 : x - Step 2: Convert to fraction form
1,369,444.98/1,889,494.53 = 885,427.70/x - Step 3: Cross multiply
1,369,444.98x = 1,889,494.53 × 885,427.70 - Step 4: Simplify right side
1,369,444.98x = 1,673,010,802,797.79 - Step 5: Solve for x
x = 1,673,010,802,797.79/1,369,444.98 - Step 6: Final answer
x = 1,221,670.70
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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.