Finding the Fourth Proportional to 4,810,206.60, 6,638,083.65 and 2,634,885.18
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Solution
The fourth proportional to 4,810,206.60, 6,638,083.65 and 2,634,885.18 is: 3,636,140.75
Step by Step Solution
- Step 1: Write the proportion equation
4,810,206.60 : 6,638,083.65 = 2,634,885.18 : x - Step 2: Convert to fraction form
4,810,206.60/6,638,083.65 = 2,634,885.18/x - Step 3: Cross multiply
4,810,206.60x = 6,638,083.65 × 2,634,885.18 - Step 4: Simplify right side
4,810,206.60x = 17,490,588,232,985.31 - Step 5: Solve for x
x = 17,490,588,232,985.31/4,810,206.60 - Step 6: Final answer
x = 3,636,140.75
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1.5x scale
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.