Finding the Fourth Proportional to 3,157,854.53, 4,357,836.14 and 1,707,546.49
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Solution
The fourth proportional to 3,157,854.53, 4,357,836.14 and 1,707,546.49 is: 2,356,412.47
Step by Step Solution
- Step 1: Write the proportion equation
3,157,854.53 : 4,357,836.14 = 1,707,546.49 : x - Step 2: Convert to fraction form
3,157,854.53/4,357,836.14 = 1,707,546.49/x - Step 3: Cross multiply
3,157,854.53x = 4,357,836.14 × 1,707,546.49 - Step 4: Simplify right side
3,157,854.53x = 7,441,207,785,419.83 - Step 5: Solve for x
x = 7,441,207,785,419.83/3,157,854.53 - Step 6: Final answer
x = 2,356,412.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.