Finding the Fourth Proportional to 1,516,553.28, 2,092,803.48 and 837,475.20
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Solution
The fourth proportional to 1,516,553.28, 2,092,803.48 and 837,475.20 is: 1,155,693.66
Step by Step Solution
- Step 1: Write the proportion equation
1,516,553.28 : 2,092,803.48 = 837,475.20 : x - Step 2: Convert to fraction form
1,516,553.28/2,092,803.48 = 837,475.20/x - Step 3: Cross multiply
1,516,553.28x = 2,092,803.48 × 837,475.20 - Step 4: Simplify right side
1,516,553.28x = 1,752,671,012,973.70 - Step 5: Solve for x
x = 1,752,671,012,973.70/1,516,553.28 - Step 6: Final answer
x = 1,155,693.66
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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.