Finding the Fourth Proportional to 1,542,318.48, 2,128,398.90 and 863,254.98
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Solution
The fourth proportional to 1,542,318.48, 2,128,398.90 and 863,254.98 is: 1,191,291.54
Step by Step Solution
- Step 1: Write the proportion equation
1,542,318.48 : 2,128,398.90 = 863,254.98 : x - Step 2: Convert to fraction form
1,542,318.48/2,128,398.90 = 863,254.98/x - Step 3: Cross multiply
1,542,318.48x = 2,128,398.90 × 863,254.98 - Step 4: Simplify right side
1,542,318.48x = 1,837,350,949,851.52 - Step 5: Solve for x
x = 1,837,350,949,851.52/1,542,318.48 - Step 6: Final answer
x = 1,191,291.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.