Finding the Fourth Proportional to 2,130,104.74, 3,195,606.04 and 690,675.95
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Solution
The fourth proportional to 2,130,104.74, 3,195,606.04 and 690,675.95 is: 1,036,159.49
Step by Step Solution
- Step 1: Write the proportion equation
2,130,104.74 : 3,195,606.04 = 690,675.95 : x - Step 2: Convert to fraction form
2,130,104.74/3,195,606.04 = 690,675.95/x - Step 3: Cross multiply
2,130,104.74x = 3,195,606.04 × 690,675.95 - Step 4: Simplify right side
2,130,104.74x = 2,207,128,237,502.74 - Step 5: Solve for x
x = 2,207,128,237,502.74/2,130,104.74 - Step 6: Final answer
x = 1,036,159.49
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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.