Finding the Fourth Proportional to 1,413,160.12, 2,119,421.64 and 402,259.66
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Solution
The fourth proportional to 1,413,160.12, 2,119,421.64 and 402,259.66 is: 603,298.82
Step by Step Solution
- Step 1: Write the proportion equation
1,413,160.12 : 2,119,421.64 = 402,259.66 : x - Step 2: Convert to fraction form
1,413,160.12/2,119,421.64 = 402,259.66/x - Step 3: Cross multiply
1,413,160.12x = 2,119,421.64 × 402,259.66 - Step 4: Simplify right side
1,413,160.12x = 852,557,828,303.04 - Step 5: Solve for x
x = 852,557,828,303.04/1,413,160.12 - Step 6: Final answer
x = 603,298.82
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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.