Finding the Fourth Proportional to 3,134,860.26, 4,326,154.56 and 1,758,509.07
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Solution
The fourth proportional to 3,134,860.26, 4,326,154.56 and 1,758,509.07 is: 2,426,769.11
Step by Step Solution
- Step 1: Write the proportion equation
3,134,860.26 : 4,326,154.56 = 1,758,509.07 : x - Step 2: Convert to fraction form
3,134,860.26/4,326,154.56 = 1,758,509.07/x - Step 3: Cross multiply
3,134,860.26x = 4,326,154.56 × 1,758,509.07 - Step 4: Simplify right side
3,134,860.26x = 7,607,582,031,981.86 - Step 5: Solve for x
x = 7,607,582,031,981.86/3,134,860.26 - Step 6: Final answer
x = 2,426,769.11
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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.