Finding the Fourth Proportional to 3,181,643.19, 4,772,474.58 and 785,488.08
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Solution
The fourth proportional to 3,181,643.19, 4,772,474.58 and 785,488.08 is: 1,178,234.54
Step by Step Solution
- Step 1: Write the proportion equation
3,181,643.19 : 4,772,474.58 = 785,488.08 : x - Step 2: Convert to fraction form
3,181,643.19/4,772,474.58 = 785,488.08/x - Step 3: Cross multiply
3,181,643.19x = 4,772,474.58 × 785,488.08 - Step 4: Simplify right side
3,181,643.19x = 3,748,721,894,693.01 - Step 5: Solve for x
x = 3,748,721,894,693.01/3,181,643.19 - Step 6: Final answer
x = 1,178,234.54
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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.