Finding the Fourth Proportional to 3,157,637.76, 4,736,194.20 and 1,264,483.08
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Solution
The fourth proportional to 3,157,637.76, 4,736,194.20 and 1,264,483.08 is: 1,896,619.53
Step by Step Solution
- Step 1: Write the proportion equation
3,157,637.76 : 4,736,194.20 = 1,264,483.08 : x - Step 2: Convert to fraction form
3,157,637.76/4,736,194.20 = 1,264,483.08/x - Step 3: Cross multiply
3,157,637.76x = 4,736,194.20 × 1,264,483.08 - Step 4: Simplify right side
3,157,637.76x = 5,988,837,429,494.14 - Step 5: Solve for x
x = 5,988,837,429,494.14/3,157,637.76 - Step 6: Final answer
x = 1,896,619.53
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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.