Finding the Fourth Proportional to 1,499,711.19, 2,069,595.84 and 811,380.84
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Solution
The fourth proportional to 1,499,711.19, 2,069,595.84 and 811,380.84 is: 1,119,702.53
Step by Step Solution
- Step 1: Write the proportion equation
1,499,711.19 : 2,069,595.84 = 811,380.84 : x - Step 2: Convert to fraction form
1,499,711.19/2,069,595.84 = 811,380.84/x - Step 3: Cross multiply
1,499,711.19x = 2,069,595.84 × 811,380.84 - Step 4: Simplify right side
1,499,711.19x = 1,679,230,411,119.71 - Step 5: Solve for x
x = 1,679,230,411,119.71/1,499,711.19 - Step 6: Final answer
x = 1,119,702.53
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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.