Finding the Fourth Proportional to 3,115,034.84, 4,672,531.20 and 1,676,395.28
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Solution
The fourth proportional to 3,115,034.84, 4,672,531.20 and 1,676,395.28 is: 2,514,581.59
Step by Step Solution
- Step 1: Write the proportion equation
3,115,034.84 : 4,672,531.20 = 1,676,395.28 : x - Step 2: Convert to fraction form
3,115,034.84/4,672,531.20 = 1,676,395.28/x - Step 3: Cross multiply
3,115,034.84x = 4,672,531.20 × 1,676,395.28 - Step 4: Simplify right side
3,115,034.84x = 7,833,009,249,332.74 - Step 5: Solve for x
x = 7,833,009,249,332.74/3,115,034.84 - Step 6: Final answer
x = 2,514,581.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.