Finding the Fourth Proportional to 1,512,746.51, 2,087,590.49 and 824,418.53
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Solution
The fourth proportional to 1,512,746.51, 2,087,590.49 and 824,418.53 is: 1,137,697.73
Step by Step Solution
- Step 1: Write the proportion equation
1,512,746.51 : 2,087,590.49 = 824,418.53 : x - Step 2: Convert to fraction form
1,512,746.51/2,087,590.49 = 824,418.53/x - Step 3: Cross multiply
1,512,746.51x = 2,087,590.49 × 824,418.53 - Step 4: Simplify right side
1,512,746.51x = 1,721,048,268,447.74 - Step 5: Solve for x
x = 1,721,048,268,447.74/1,512,746.51 - Step 6: Final answer
x = 1,137,697.73
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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.