Finding the Fourth Proportional to 1,366,963.02, 1,885,006.35 and 907,911.18
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Solution
The fourth proportional to 1,366,963.02, 1,885,006.35 and 907,911.18 is: 1,251,985.84
Step by Step Solution
- Step 1: Write the proportion equation
1,366,963.02 : 1,885,006.35 = 907,911.18 : x - Step 2: Convert to fraction form
1,366,963.02/1,885,006.35 = 907,911.18/x - Step 3: Cross multiply
1,366,963.02x = 1,885,006.35 × 907,911.18 - Step 4: Simplify right side
1,366,963.02x = 1,711,418,339,535.99 - Step 5: Solve for x
x = 1,711,418,339,535.99/1,366,963.02 - Step 6: Final answer
x = 1,251,985.84
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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.