Finding the Fourth Proportional to 1,885,415.95, 2,828,129.73 and 465,472.18
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Solution
The fourth proportional to 1,885,415.95, 2,828,129.73 and 465,472.18 is: 698,209.70
Step by Step Solution
- Step 1: Write the proportion equation
1,885,415.95 : 2,828,129.73 = 465,472.18 : x - Step 2: Convert to fraction form
1,885,415.95/2,828,129.73 = 465,472.18/x - Step 3: Cross multiply
1,885,415.95x = 2,828,129.73 × 465,472.18 - Step 4: Simplify right side
1,885,415.95x = 1,316,415,701,930.07 - Step 5: Solve for x
x = 1,316,415,701,930.07/1,885,415.95 - Step 6: Final answer
x = 698,209.70
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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.