Finding the Fourth Proportional to 3,157,692.63, 4,357,618.91 and 1,707,387.68
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Solution
The fourth proportional to 3,157,692.63, 4,357,618.91 and 1,707,387.68 is: 2,356,196.66
Step by Step Solution
- Step 1: Write the proportion equation
3,157,692.63 : 4,357,618.91 = 1,707,387.68 : x - Step 2: Convert to fraction form
3,157,692.63/4,357,618.91 = 1,707,387.68/x - Step 3: Cross multiply
3,157,692.63x = 4,357,618.91 × 1,707,387.68 - Step 4: Simplify right side
3,157,692.63x = 7,440,144,841,069.03 - Step 5: Solve for x
x = 7,440,144,841,069.03/3,157,692.63 - Step 6: Final answer
x = 2,356,196.66
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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.