Finding the Fourth Proportional to 1,513,456.32, 2,088,583.74 and 834,417.12
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Solution
The fourth proportional to 1,513,456.32, 2,088,583.74 and 834,417.12 is: 1,151,503.35
Step by Step Solution
- Step 1: Write the proportion equation
1,513,456.32 : 2,088,583.74 = 834,417.12 : x - Step 2: Convert to fraction form
1,513,456.32/2,088,583.74 = 834,417.12/x - Step 3: Cross multiply
1,513,456.32x = 2,088,583.74 × 834,417.12 - Step 4: Simplify right side
1,513,456.32x = 1,742,750,029,209.63 - Step 5: Solve for x
x = 1,742,750,029,209.63/1,513,456.32 - Step 6: Final answer
x = 1,151,503.35
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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.