Finding the Fourth Proportional to 1,587,885.14, 2,191,210.07 and 899,542.92
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Solution
The fourth proportional to 1,587,885.14, 2,191,210.07 and 899,542.92 is: 1,241,328.77
Step by Step Solution
- Step 1: Write the proportion equation
1,587,885.14 : 2,191,210.07 = 899,542.92 : x - Step 2: Convert to fraction form
1,587,885.14/2,191,210.07 = 899,542.92/x - Step 3: Cross multiply
1,587,885.14x = 2,191,210.07 × 899,542.92 - Step 4: Simplify right side
1,587,885.14x = 1,971,087,500,203.49 - Step 5: Solve for x
x = 1,971,087,500,203.49/1,587,885.14 - Step 6: Final answer
x = 1,241,328.77
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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.