Finding the Fourth Proportional to 2,989,415.16, 4,480,365.24 and 1,281,538.08
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Solution
The fourth proportional to 2,989,415.16, 4,480,365.24 and 1,281,538.08 is: 1,920,696.31
Step by Step Solution
- Step 1: Write the proportion equation
2,989,415.16 : 4,480,365.24 = 1,281,538.08 : x - Step 2: Convert to fraction form
2,989,415.16/4,480,365.24 = 1,281,538.08/x - Step 3: Cross multiply
2,989,415.16x = 4,480,365.24 × 1,281,538.08 - Step 4: Simplify right side
2,989,415.16x = 5,741,758,667,368.34 - Step 5: Solve for x
x = 5,741,758,667,368.34/2,989,415.16 - Step 6: Final answer
x = 1,920,696.31
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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.