Finding the Fourth Proportional to 2,387,918.58, 3,578,888.18 and 1,880,475.38
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Solution
The fourth proportional to 2,387,918.58, 3,578,888.18 and 1,880,475.38 is: 2,818,358.69
Step by Step Solution
- Step 1: Write the proportion equation
2,387,918.58 : 3,578,888.18 = 1,880,475.38 : x - Step 2: Convert to fraction form
2,387,918.58/3,578,888.18 = 1,880,475.38/x - Step 3: Cross multiply
2,387,918.58x = 3,578,888.18 × 1,880,475.38 - Step 4: Simplify right side
2,387,918.58x = 6,730,011,082,966.19 - Step 5: Solve for x
x = 6,730,011,082,966.19/2,387,918.58 - Step 6: Final answer
x = 2,818,358.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.