Finding the Fourth Proportional to 4,984,543.98, 6,878,812.41 and 2,779,457.58
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Solution
The fourth proportional to 4,984,543.98, 6,878,812.41 and 2,779,457.58 is: 3,835,730.48
Step by Step Solution
- Step 1: Write the proportion equation
4,984,543.98 : 6,878,812.41 = 2,779,457.58 : x - Step 2: Convert to fraction form
4,984,543.98/6,878,812.41 = 2,779,457.58/x - Step 3: Cross multiply
4,984,543.98x = 6,878,812.41 × 2,779,457.58 - Step 4: Simplify right side
4,984,543.98x = 19,119,367,294,372.57 - Step 5: Solve for x
x = 19,119,367,294,372.57/4,984,543.98 - Step 6: Final answer
x = 3,835,730.48
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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.