Finding the Fourth Proportional to 1,513,307.12, 2,088,377.84 and 834,267.92
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Solution
The fourth proportional to 1,513,307.12, 2,088,377.84 and 834,267.92 is: 1,151,297.46
Step by Step Solution
- Step 1: Write the proportion equation
1,513,307.12 : 2,088,377.84 = 834,267.92 : x - Step 2: Convert to fraction form
1,513,307.12/2,088,377.84 = 834,267.92/x - Step 3: Cross multiply
1,513,307.12x = 2,088,377.84 × 834,267.92 - Step 4: Simplify right side
1,513,307.12x = 1,742,266,636,750.89 - Step 5: Solve for x
x = 1,742,266,636,750.89/1,513,307.12 - Step 6: Final answer
x = 1,151,297.46
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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.