Finding the Fourth Proportional to 1,580,366.52, 2,180,905.80 and 855,214.24
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Solution
The fourth proportional to 1,580,366.52, 2,180,905.80 and 855,214.24 is: 1,180,195.65
Step by Step Solution
- Step 1: Write the proportion equation
1,580,366.52 : 2,180,905.80 = 855,214.24 : x - Step 2: Convert to fraction form
1,580,366.52/2,180,905.80 = 855,214.24/x - Step 3: Cross multiply
1,580,366.52x = 2,180,905.80 × 855,214.24 - Step 4: Simplify right side
1,580,366.52x = 1,865,141,696,258.59 - Step 5: Solve for x
x = 1,865,141,696,258.59/1,580,366.52 - Step 6: Final answer
x = 1,180,195.65
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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.