Finding the Fourth Proportional to 3,026,605.12, 4,176,687.60 and 1,668,478.08
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Solution
The fourth proportional to 3,026,605.12, 4,176,687.60 and 1,668,478.08 is: 2,302,484.61
Step by Step Solution
- Step 1: Write the proportion equation
3,026,605.12 : 4,176,687.60 = 1,668,478.08 : x - Step 2: Convert to fraction form
3,026,605.12/4,176,687.60 = 1,668,478.08/x - Step 3: Cross multiply
3,026,605.12x = 4,176,687.60 × 1,668,478.08 - Step 4: Simplify right side
3,026,605.12x = 6,968,711,707,607.81 - Step 5: Solve for x
x = 6,968,711,707,607.81/3,026,605.12 - Step 6: Final answer
x = 2,302,484.61
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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.