Finding the Fourth Proportional to 1,688,320.26, 2,331,927.02 and 1,228,705.81
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Solution
The fourth proportional to 1,688,320.26, 2,331,927.02 and 1,228,705.81 is: 1,697,102.35
Step by Step Solution
- Step 1: Write the proportion equation
1,688,320.26 : 2,331,927.02 = 1,228,705.81 : x - Step 2: Convert to fraction form
1,688,320.26/2,331,927.02 = 1,228,705.81/x - Step 3: Cross multiply
1,688,320.26x = 2,331,927.02 × 1,228,705.81 - Step 4: Simplify right side
1,688,320.26x = 2,865,252,275,211.93 - Step 5: Solve for x
x = 2,865,252,275,211.93/1,688,320.26 - Step 6: Final answer
x = 1,697,102.35
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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.