Finding the Fourth Proportional to 1,489,823.18, 2,056,002.64 and 845,270.54
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Solution
The fourth proportional to 1,489,823.18, 2,056,002.64 and 845,270.54 is: 1,166,499.81
Step by Step Solution
- Step 1: Write the proportion equation
1,489,823.18 : 2,056,002.64 = 845,270.54 : x - Step 2: Convert to fraction form
1,489,823.18/2,056,002.64 = 845,270.54/x - Step 3: Cross multiply
1,489,823.18x = 2,056,002.64 × 845,270.54 - Step 4: Simplify right side
1,489,823.18x = 1,737,878,461,754.23 - Step 5: Solve for x
x = 1,737,878,461,754.23/1,489,823.18 - Step 6: Final answer
x = 1,166,499.81
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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.