Finding the Fourth Proportional to 6,670,965.74, 9,205,940.59 and 3,615,179.99
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Solution
The fourth proportional to 6,670,965.74, 9,205,940.59 and 3,615,179.99 is: 4,988,952.65
Step by Step Solution
- Step 1: Write the proportion equation
6,670,965.74 : 9,205,940.59 = 3,615,179.99 : x - Step 2: Convert to fraction form
6,670,965.74/9,205,940.59 = 3,615,179.99/x - Step 3: Cross multiply
6,670,965.74x = 9,205,940.59 × 3,615,179.99 - Step 4: Simplify right side
6,670,965.74x = 33,281,132,155,029.14 - Step 5: Solve for x
x = 33,281,132,155,029.14/6,670,965.74 - Step 6: Final answer
x = 4,988,952.65
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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.