Finding the Fourth Proportional to 1,872,756.48, 2,584,396.80 and 1,013,318.40
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Solution
The fourth proportional to 1,872,756.48, 2,584,396.80 and 1,013,318.40 is: 1,398,375.53
Step by Step Solution
- Step 1: Write the proportion equation
1,872,756.48 : 2,584,396.80 = 1,013,318.40 : x - Step 2: Convert to fraction form
1,872,756.48/2,584,396.80 = 1,013,318.40/x - Step 3: Cross multiply
1,872,756.48x = 2,584,396.80 × 1,013,318.40 - Step 4: Simplify right side
1,872,756.48x = 2,618,816,830,341.12 - Step 5: Solve for x
x = 2,618,816,830,341.12/1,872,756.48 - Step 6: Final answer
x = 1,398,375.53
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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.