Finding the Fourth Proportional to 1,918,845.36, 2,878,227.64 and 639,545.36
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Solution
The fourth proportional to 1,918,845.36, 2,878,227.64 and 639,545.36 is: 959,304.57
Step by Step Solution
- Step 1: Write the proportion equation
1,918,845.36 : 2,878,227.64 = 639,545.36 : x - Step 2: Convert to fraction form
1,918,845.36/2,878,227.64 = 639,545.36/x - Step 3: Cross multiply
1,918,845.36x = 2,878,227.64 × 639,545.36 - Step 4: Simplify right side
1,918,845.36x = 1,840,757,132,185.75 - Step 5: Solve for x
x = 1,840,757,132,185.75/1,918,845.36 - Step 6: Final answer
x = 959,304.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.