Finding the Fourth Proportional to 1,795,808.80, 2,478,268.36 and 980,064.94
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Solution
The fourth proportional to 1,795,808.80, 2,478,268.36 and 980,064.94 is: 1,352,518.11
Step by Step Solution
- Step 1: Write the proportion equation
1,795,808.80 : 2,478,268.36 = 980,064.94 : x - Step 2: Convert to fraction form
1,795,808.80/2,478,268.36 = 980,064.94/x - Step 3: Cross multiply
1,795,808.80x = 2,478,268.36 × 980,064.94 - Step 4: Simplify right side
1,795,808.80x = 2,428,863,931,547.30 - Step 5: Solve for x
x = 2,428,863,931,547.30/1,795,808.80 - Step 6: Final answer
x = 1,352,518.11
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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.