Finding the Fourth Proportional to 1,535,843.16, 2,119,885.12 and 891,470.95
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Solution
The fourth proportional to 1,535,843.16, 2,119,885.12 and 891,470.95 is: 1,230,474.60
Step by Step Solution
- Step 1: Write the proportion equation
1,535,843.16 : 2,119,885.12 = 891,470.95 : x - Step 2: Convert to fraction form
1,535,843.16/2,119,885.12 = 891,470.95/x - Step 3: Cross multiply
1,535,843.16x = 2,119,885.12 × 891,470.95 - Step 4: Simplify right side
1,535,843.16x = 1,889,815,997,631.89 - Step 5: Solve for x
x = 1,889,815,997,631.89/1,535,843.16 - Step 6: Final answer
x = 1,230,474.60
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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.