Finding the Fourth Proportional to 1,411,981.91, 1,948,547.84 and 767,403.65
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Solution
The fourth proportional to 1,411,981.91, 1,948,547.84 and 767,403.65 is: 1,059,023.99
Step by Step Solution
- Step 1: Write the proportion equation
1,411,981.91 : 1,948,547.84 = 767,403.65 : x - Step 2: Convert to fraction form
1,411,981.91/1,948,547.84 = 767,403.65/x - Step 3: Cross multiply
1,411,981.91x = 1,948,547.84 × 767,403.65 - Step 4: Simplify right side
1,411,981.91x = 1,495,322,718,784.99 - Step 5: Solve for x
x = 1,495,322,718,784.99/1,411,981.91 - Step 6: Final answer
x = 1,059,023.99
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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.