Finding the Fourth Proportional to 4,998,387.84, 6,897,807.36 and 2,706,567.68
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Solution
The fourth proportional to 4,998,387.84, 6,897,807.36 and 2,706,567.68 is: 3,735,080.80
Step by Step Solution
- Step 1: Write the proportion equation
4,998,387.84 : 6,897,807.36 = 2,706,567.68 : x - Step 2: Convert to fraction form
4,998,387.84/6,897,807.36 = 2,706,567.68/x - Step 3: Cross multiply
4,998,387.84x = 6,897,807.36 × 2,706,567.68 - Step 4: Simplify right side
4,998,387.84x = 18,669,382,463,442.12 - Step 5: Solve for x
x = 18,669,382,463,442.12/4,998,387.84 - Step 6: Final answer
x = 3,735,080.80
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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.