Finding the Fourth Proportional to 4,895,457.04, 6,756,702.60 and 3,128,225.68
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Solution
The fourth proportional to 4,895,457.04, 6,756,702.60 and 3,128,225.68 is: 4,317,572.48
Step by Step Solution
- Step 1: Write the proportion equation
4,895,457.04 : 6,756,702.60 = 3,128,225.68 : x - Step 2: Convert to fraction form
4,895,457.04/6,756,702.60 = 3,128,225.68/x - Step 3: Cross multiply
4,895,457.04x = 6,756,702.60 × 3,128,225.68 - Step 4: Simplify right side
4,895,457.04x = 21,136,490,585,442.77 - Step 5: Solve for x
x = 21,136,490,585,442.77/4,895,457.04 - Step 6: Final answer
x = 4,317,572.48
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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.