Finding the Fourth Proportional to 1,865,081.69, 2,573,584.40 and 1,176,495.02
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Solution
The fourth proportional to 1,865,081.69, 2,573,584.40 and 1,176,495.02 is: 1,623,419.09
Step by Step Solution
- Step 1: Write the proportion equation
1,865,081.69 : 2,573,584.40 = 1,176,495.02 : x - Step 2: Convert to fraction form
1,865,081.69/2,573,584.40 = 1,176,495.02/x - Step 3: Cross multiply
1,865,081.69x = 2,573,584.40 × 1,176,495.02 - Step 4: Simplify right side
1,865,081.69x = 3,027,809,220,223.00 - Step 5: Solve for x
x = 3,027,809,220,223.00/1,865,081.69 - Step 6: Final answer
x = 1,623,419.09
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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.