Finding the Fourth Proportional to 1,535,006.88, 2,117,656.08 and 1,126,398.84
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Solution
The fourth proportional to 1,535,006.88, 2,117,656.08 and 1,126,398.84 is: 1,553,950.92
Step by Step Solution
- Step 1: Write the proportion equation
1,535,006.88 : 2,117,656.08 = 1,126,398.84 : x - Step 2: Convert to fraction form
1,535,006.88/2,117,656.08 = 1,126,398.84/x - Step 3: Cross multiply
1,535,006.88x = 2,117,656.08 × 1,126,398.84 - Step 4: Simplify right side
1,535,006.88x = 2,385,325,352,030.95 - Step 5: Solve for x
x = 2,385,325,352,030.95/1,535,006.88 - Step 6: Final answer
x = 1,553,950.92
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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.