Finding the Fourth Proportional to 1,681,449.24, 2,320,451.16 and 956,401.32
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Solution
The fourth proportional to 1,681,449.24, 2,320,451.16 and 956,401.32 is: 1,319,862.95
Step by Step Solution
- Step 1: Write the proportion equation
1,681,449.24 : 2,320,451.16 = 956,401.32 : x - Step 2: Convert to fraction form
1,681,449.24/2,320,451.16 = 956,401.32/x - Step 3: Cross multiply
1,681,449.24x = 2,320,451.16 × 956,401.32 - Step 4: Simplify right side
1,681,449.24x = 2,219,282,552,419.53 - Step 5: Solve for x
x = 2,219,282,552,419.53/1,681,449.24 - Step 6: Final answer
x = 1,319,862.95
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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.