Finding the Fourth Proportional to 1,903,202.55, 2,626,176.61 and 1,087,459.07
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Solution
The fourth proportional to 1,903,202.55, 2,626,176.61 and 1,087,459.07 is: 1,500,554.72
Step by Step Solution
- Step 1: Write the proportion equation
1,903,202.55 : 2,626,176.61 = 1,087,459.07 : x - Step 2: Convert to fraction form
1,903,202.55/2,626,176.61 = 1,087,459.07/x - Step 3: Cross multiply
1,903,202.55x = 2,626,176.61 × 1,087,459.07 - Step 4: Simplify right side
1,903,202.55x = 2,855,859,573,966.35 - Step 5: Solve for x
x = 2,855,859,573,966.35/1,903,202.55 - Step 6: Final answer
x = 1,500,554.72
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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.