Finding the Fourth Proportional to 1,705,691.97, 2,353,854.33 and 980,681.49
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Solution
The fourth proportional to 1,705,691.97, 2,353,854.33 and 980,681.49 is: 1,353,340.12
Step by Step Solution
- Step 1: Write the proportion equation
1,705,691.97 : 2,353,854.33 = 980,681.49 : x - Step 2: Convert to fraction form
1,705,691.97/2,353,854.33 = 980,681.49/x - Step 3: Cross multiply
1,705,691.97x = 2,353,854.33 × 980,681.49 - Step 4: Simplify right side
1,705,691.97x = 2,308,381,371,587.35 - Step 5: Solve for x
x = 2,308,381,371,587.35/1,705,691.97 - Step 6: Final answer
x = 1,353,340.12
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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.