Finding the Fourth Proportional to 1,675,620.14, 2,312,355.80 and 911,679.17
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Solution
The fourth proportional to 1,675,620.14, 2,312,355.80 and 911,679.17 is: 1,258,117.26
Step by Step Solution
- Step 1: Write the proportion equation
1,675,620.14 : 2,312,355.80 = 911,679.17 : x - Step 2: Convert to fraction form
1,675,620.14/2,312,355.80 = 911,679.17/x - Step 3: Cross multiply
1,675,620.14x = 2,312,355.80 × 911,679.17 - Step 4: Simplify right side
1,675,620.14x = 2,108,126,607,206.11 - Step 5: Solve for x
x = 2,108,126,607,206.11/1,675,620.14 - Step 6: Final answer
x = 1,258,117.26
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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.