Finding the Fourth Proportional to 1,316,340.81, 1,974,585.08 and 369,637.72
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Solution
The fourth proportional to 1,316,340.81, 1,974,585.08 and 369,637.72 is: 554,477.32
Step by Step Solution
- Step 1: Write the proportion equation
1,316,340.81 : 1,974,585.08 = 369,637.72 : x - Step 2: Convert to fraction form
1,316,340.81/1,974,585.08 = 369,637.72/x - Step 3: Cross multiply
1,316,340.81x = 1,974,585.08 × 369,637.72 - Step 4: Simplify right side
1,316,340.81x = 729,881,126,917.22 - Step 5: Solve for x
x = 729,881,126,917.22/1,316,340.81 - Step 6: Final answer
x = 554,477.32
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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.