Finding the Fourth Proportional to 1,636,699.74, 2,258,715.74 and 911,547.42
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Solution
The fourth proportional to 1,636,699.74, 2,258,715.74 and 911,547.42 is: 1,257,974.48
Step by Step Solution
- Step 1: Write the proportion equation
1,636,699.74 : 2,258,715.74 = 911,547.42 : x - Step 2: Convert to fraction form
1,636,699.74/2,258,715.74 = 911,547.42/x - Step 3: Cross multiply
1,636,699.74x = 2,258,715.74 × 911,547.42 - Step 4: Simplify right side
1,636,699.74x = 2,058,926,500,752.65 - Step 5: Solve for x
x = 2,058,926,500,752.65/1,636,699.74 - Step 6: Final answer
x = 1,257,974.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.