Finding the Fourth Proportional to 1,782,479.61, 2,459,805.12 and 966,701.30
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Solution
The fourth proportional to 1,782,479.61, 2,459,805.12 and 966,701.30 is: 1,334,038.71
Step by Step Solution
- Step 1: Write the proportion equation
1,782,479.61 : 2,459,805.12 = 966,701.30 : x - Step 2: Convert to fraction form
1,782,479.61/2,459,805.12 = 966,701.30/x - Step 3: Cross multiply
1,782,479.61x = 2,459,805.12 × 966,701.30 - Step 4: Simplify right side
1,782,479.61x = 2,377,896,794,951.63 - Step 5: Solve for x
x = 2,377,896,794,951.63/1,782,479.61 - Step 6: Final answer
x = 1,334,038.71
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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.