Finding the Fourth Proportional to 1,816,707.56, 2,724,970.74 and 679,386.14
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Solution
The fourth proportional to 1,816,707.56, 2,724,970.74 and 679,386.14 is: 1,019,045.33
Step by Step Solution
- Step 1: Write the proportion equation
1,816,707.56 : 2,724,970.74 = 679,386.14 : x - Step 2: Convert to fraction form
1,816,707.56/2,724,970.74 = 679,386.14/x - Step 3: Cross multiply
1,816,707.56x = 2,724,970.74 × 679,386.14 - Step 4: Simplify right side
1,816,707.56x = 1,851,307,347,547.58 - Step 5: Solve for x
x = 1,851,307,347,547.58/1,816,707.56 - Step 6: Final answer
x = 1,019,045.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.