Finding the Fourth Proportional to 2,964,895.18, 4,091,994.12 and 1,877,267.68
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Solution
The fourth proportional to 2,964,895.18, 4,091,994.12 and 1,877,267.68 is: 2,590,907.21
Step by Step Solution
- Step 1: Write the proportion equation
2,964,895.18 : 4,091,994.12 = 1,877,267.68 : x - Step 2: Convert to fraction form
2,964,895.18/4,091,994.12 = 1,877,267.68/x - Step 3: Cross multiply
2,964,895.18x = 4,091,994.12 × 1,877,267.68 - Step 4: Simplify right side
2,964,895.18x = 7,681,768,308,226.04 - Step 5: Solve for x
x = 7,681,768,308,226.04/2,964,895.18 - Step 6: Final answer
x = 2,590,907.21
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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.