Finding the Fourth Proportional to 1,762,685.70, 2,643,510.15 and 697,373.70
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Solution
The fourth proportional to 1,762,685.70, 2,643,510.15 and 697,373.70 is: 1,045,855.45
Step by Step Solution
- Step 1: Write the proportion equation
1,762,685.70 : 2,643,510.15 = 697,373.70 : x - Step 2: Convert to fraction form
1,762,685.70/2,643,510.15 = 697,373.70/x - Step 3: Cross multiply
1,762,685.70x = 2,643,510.15 × 697,373.70 - Step 4: Simplify right side
1,762,685.70x = 1,843,514,454,293.06 - Step 5: Solve for x
x = 1,843,514,454,293.06/1,762,685.70 - Step 6: Final answer
x = 1,045,855.45
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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.