Finding the Fourth Proportional to 2,980,502.36, 4,471,412.88 and 1,087,237.52
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Solution
The fourth proportional to 2,980,502.36, 4,471,412.88 and 1,087,237.52 is: 1,631,096.80
Step by Step Solution
- Step 1: Write the proportion equation
2,980,502.36 : 4,471,412.88 = 1,087,237.52 : x - Step 2: Convert to fraction form
2,980,502.36/4,471,412.88 = 1,087,237.52/x - Step 3: Cross multiply
2,980,502.36x = 4,471,412.88 × 1,087,237.52 - Step 4: Simplify right side
2,980,502.36x = 4,861,487,850,547.26 - Step 5: Solve for x
x = 4,861,487,850,547.26/2,980,502.36 - Step 6: Final answer
x = 1,631,096.80
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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.