Finding the Fourth Proportional to 1,481,036.70, 2,221,555.05 and 1,306,854.30
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Solution
The fourth proportional to 1,481,036.70, 2,221,555.05 and 1,306,854.30 is: 1,960,281.45
Step by Step Solution
- Step 1: Write the proportion equation
1,481,036.70 : 2,221,555.05 = 1,306,854.30 : x - Step 2: Convert to fraction form
1,481,036.70/2,221,555.05 = 1,306,854.30/x - Step 3: Cross multiply
1,481,036.70x = 2,221,555.05 × 1,306,854.30 - Step 4: Simplify right side
1,481,036.70x = 2,903,248,769,779.22 - Step 5: Solve for x
x = 2,903,248,769,779.22/1,481,036.70 - Step 6: Final answer
x = 1,960,281.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.