Finding the Fourth Proportional to 1,868,353.99, 2,578,336.40 and 1,052,567.44
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Solution
The fourth proportional to 1,868,353.99, 2,578,336.40 and 1,052,567.44 is: 1,452,547.51
Step by Step Solution
- Step 1: Write the proportion equation
1,868,353.99 : 2,578,336.40 = 1,052,567.44 : x - Step 2: Convert to fraction form
1,868,353.99/2,578,336.40 = 1,052,567.44/x - Step 3: Cross multiply
1,868,353.99x = 2,578,336.40 × 1,052,567.44 - Step 4: Simplify right side
1,868,353.99x = 2,713,872,944,006.82 - Step 5: Solve for x
x = 2,713,872,944,006.82/1,868,353.99 - Step 6: Final answer
x = 1,452,547.51
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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.