Finding the Fourth Proportional to 2,087,438.68, 3,130,171.14 and 808,645.11
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Solution
The fourth proportional to 2,087,438.68, 3,130,171.14 and 808,645.11 is: 1,212,585.35
Step by Step Solution
- Step 1: Write the proportion equation
2,087,438.68 : 3,130,171.14 = 808,645.11 : x - Step 2: Convert to fraction form
2,087,438.68/3,130,171.14 = 808,645.11/x - Step 3: Cross multiply
2,087,438.68x = 3,130,171.14 × 808,645.11 - Step 4: Simplify right side
2,087,438.68x = 2,531,197,572,569.77 - Step 5: Solve for x
x = 2,531,197,572,569.77/2,087,438.68 - Step 6: Final answer
x = 1,212,585.35
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1.5x scale
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.