Finding the Fourth Proportional to 1,570,926.95, 2,167,881.21 and 891,863.45
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Solution
The fourth proportional to 1,570,926.95, 2,167,881.21 and 891,863.45 is: 1,230,772.70
Step by Step Solution
- Step 1: Write the proportion equation
1,570,926.95 : 2,167,881.21 = 891,863.45 : x - Step 2: Convert to fraction form
1,570,926.95/2,167,881.21 = 891,863.45/x - Step 3: Cross multiply
1,570,926.95x = 2,167,881.21 × 891,863.45 - Step 4: Simplify right side
1,570,926.95x = 1,933,454,004,301.37 - Step 5: Solve for x
x = 1,933,454,004,301.37/1,570,926.95 - Step 6: Final answer
x = 1,230,772.70
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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.