Finding the Fourth Proportional to 2,867,226.10, 4,298,428.58 and 1,917,698.74
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Solution
The fourth proportional to 2,867,226.10, 4,298,428.58 and 1,917,698.74 is: 2,874,935.84
Step by Step Solution
- Step 1: Write the proportion equation
2,867,226.10 : 4,298,428.58 = 1,917,698.74 : x - Step 2: Convert to fraction form
2,867,226.10/4,298,428.58 = 1,917,698.74/x - Step 3: Cross multiply
2,867,226.10x = 4,298,428.58 × 1,917,698.74 - Step 4: Simplify right side
2,867,226.10x = 8,243,091,071,845.99 - Step 5: Solve for x
x = 8,243,091,071,845.99/2,867,226.10 - Step 6: Final answer
x = 2,874,935.84
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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.