Finding the Fourth Proportional to 4,642,970.99, 6,406,987.73 and 2,577,879.84
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Solution
The fourth proportional to 4,642,970.99, 6,406,987.73 and 2,577,879.84 is: 3,557,300.82
Step by Step Solution
- Step 1: Write the proportion equation
4,642,970.99 : 6,406,987.73 = 2,577,879.84 : x - Step 2: Convert to fraction form
4,642,970.99/6,406,987.73 = 2,577,879.84/x - Step 3: Cross multiply
4,642,970.99x = 6,406,987.73 × 2,577,879.84 - Step 4: Simplify right side
4,642,970.99x = 16,516,444,504,294.36 - Step 5: Solve for x
x = 16,516,444,504,294.36/4,642,970.99 - Step 6: Final answer
x = 3,557,300.82
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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.