Finding the Fourth Proportional to 1,097,988.83, 1,639,509.39 and 968,828.70
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Solution
The fourth proportional to 1,097,988.83, 1,639,509.39 and 968,828.70 is: 1,446,648.38
Step by Step Solution
- Step 1: Write the proportion equation
1,097,988.83 : 1,639,509.39 = 968,828.70 : x - Step 2: Convert to fraction form
1,097,988.83/1,639,509.39 = 968,828.70/x - Step 3: Cross multiply
1,097,988.83x = 1,639,509.39 × 968,828.70 - Step 4: Simplify right side
1,097,988.83x = 1,588,403,750,951.49 - Step 5: Solve for x
x = 1,588,403,750,951.49/1,097,988.83 - Step 6: Final answer
x = 1,446,648.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.