Finding the Fourth Proportional to 4,609,491.76, 6,360,511.76 and 2,572,387.12
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Solution
The fourth proportional to 4,609,491.76, 6,360,511.76 and 2,572,387.12 is: 3,549,566.72
Step by Step Solution
- Step 1: Write the proportion equation
4,609,491.76 : 6,360,511.76 = 2,572,387.12 : x - Step 2: Convert to fraction form
4,609,491.76/6,360,511.76 = 2,572,387.12/x - Step 3: Cross multiply
4,609,491.76x = 6,360,511.76 × 2,572,387.12 - Step 4: Simplify right side
4,609,491.76x = 16,361,698,528,032.53 - Step 5: Solve for x
x = 16,361,698,528,032.53/4,609,491.76 - Step 6: Final answer
x = 3,549,566.72
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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.