Finding the Fourth Proportional to 1,812,683.92, 2,501,626.08 and 1,199,780.68
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Solution
The fourth proportional to 1,812,683.92, 2,501,626.08 and 1,199,780.68 is: 1,655,778.27
Step by Step Solution
- Step 1: Write the proportion equation
1,812,683.92 : 2,501,626.08 = 1,199,780.68 : x - Step 2: Convert to fraction form
1,812,683.92/2,501,626.08 = 1,199,780.68/x - Step 3: Cross multiply
1,812,683.92x = 2,501,626.08 × 1,199,780.68 - Step 4: Simplify right side
1,812,683.92x = 3,001,402,639,368.13 - Step 5: Solve for x
x = 3,001,402,639,368.13/1,812,683.92 - Step 6: Final answer
x = 1,655,778.27
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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.