Finding the Fourth Proportional to 1,816,707.18, 2,724,970.18 and 679,385.76
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Solution
The fourth proportional to 1,816,707.18, 2,724,970.18 and 679,385.76 is: 1,019,044.77
Step by Step Solution
- Step 1: Write the proportion equation
1,816,707.18 : 2,724,970.18 = 679,385.76 : x - Step 2: Convert to fraction form
1,816,707.18/2,724,970.18 = 679,385.76/x - Step 3: Cross multiply
1,816,707.18x = 2,724,970.18 × 679,385.76 - Step 4: Simplify right side
1,816,707.18x = 1,851,305,945,227.53 - Step 5: Solve for x
x = 1,851,305,945,227.53/1,816,707.18 - Step 6: Final answer
x = 1,019,044.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.