Finding the Fourth Proportional to 1,638,259.04, 2,260,807.97 and 913,152.74
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Solution
The fourth proportional to 1,638,259.04, 2,260,807.97 and 913,152.74 is: 1,260,156.63
Step by Step Solution
- Step 1: Write the proportion equation
1,638,259.04 : 2,260,807.97 = 913,152.74 : x - Step 2: Convert to fraction form
1,638,259.04/2,260,807.97 = 913,152.74/x - Step 3: Cross multiply
1,638,259.04x = 2,260,807.97 × 913,152.74 - Step 4: Simplify right side
1,638,259.04x = 2,064,462,976,549.53 - Step 5: Solve for x
x = 2,064,462,976,549.53/1,638,259.04 - Step 6: Final answer
x = 1,260,156.63
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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.