Finding the Fourth Proportional to 1,995,956.84, 2,755,641.06 and 1,298,901.84
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Solution
The fourth proportional to 1,995,956.84, 2,755,641.06 and 1,298,901.84 is: 1,793,278.88
Step by Step Solution
- Step 1: Write the proportion equation
1,995,956.84 : 2,755,641.06 = 1,298,901.84 : x - Step 2: Convert to fraction form
1,995,956.84/2,755,641.06 = 1,298,901.84/x - Step 3: Cross multiply
1,995,956.84x = 2,755,641.06 × 1,298,901.84 - Step 4: Simplify right side
1,995,956.84x = 3,579,307,243,213.55 - Step 5: Solve for x
x = 3,579,307,243,213.55/1,995,956.84 - Step 6: Final answer
x = 1,793,278.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.