Finding the Fourth Proportional to 2,549,210.46, 3,517,955.19 and 1,387,690.11
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Solution
The fourth proportional to 2,549,210.46, 3,517,955.19 and 1,387,690.11 is: 1,915,036.71
Step by Step Solution
- Step 1: Write the proportion equation
2,549,210.46 : 3,517,955.19 = 1,387,690.11 : x - Step 2: Convert to fraction form
2,549,210.46/3,517,955.19 = 1,387,690.11/x - Step 3: Cross multiply
2,549,210.46x = 3,517,955.19 × 1,387,690.11 - Step 4: Simplify right side
2,549,210.46x = 4,881,831,624,586.17 - Step 5: Solve for x
x = 4,881,831,624,586.17/2,549,210.46 - Step 6: Final answer
x = 1,915,036.71
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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.