Finding the Fourth Proportional to 2,235,681.98, 3,085,643.50 and 1,317,856.62
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Solution
The fourth proportional to 2,235,681.98, 3,085,643.50 and 1,317,856.62 is: 1,818,879.32
Step by Step Solution
- Step 1: Write the proportion equation
2,235,681.98 : 3,085,643.50 = 1,317,856.62 : x - Step 2: Convert to fraction form
2,235,681.98/3,085,643.50 = 1,317,856.62/x - Step 3: Cross multiply
2,235,681.98x = 3,085,643.50 × 1,317,856.62 - Step 4: Simplify right side
2,235,681.98x = 4,066,435,713,434.97 - Step 5: Solve for x
x = 4,066,435,713,434.97/2,235,681.98 - Step 6: Final answer
x = 1,818,879.32
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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.