Finding the Fourth Proportional to 1,658,417.37, 2,487,617.88 and 647,641.99
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Solution
The fourth proportional to 1,658,417.37, 2,487,617.88 and 647,641.99 is: 971,459.80
Step by Step Solution
- Step 1: Write the proportion equation
1,658,417.37 : 2,487,617.88 = 647,641.99 : x - Step 2: Convert to fraction form
1,658,417.37/2,487,617.88 = 647,641.99/x - Step 3: Cross multiply
1,658,417.37x = 2,487,617.88 × 647,641.99 - Step 4: Simplify right side
1,658,417.37x = 1,611,085,798,486.63 - Step 5: Solve for x
x = 1,611,085,798,486.63/1,658,417.37 - Step 6: Final answer
x = 971,459.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.