Finding the Fourth Proportional to 4,685,451.68, 7,028,746.25 and 1,319,658.68
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Solution
The fourth proportional to 4,685,451.68, 7,028,746.25 and 1,319,658.68 is: 1,979,648.20
Step by Step Solution
- Step 1: Write the proportion equation
4,685,451.68 : 7,028,746.25 = 1,319,658.68 : x - Step 2: Convert to fraction form
4,685,451.68/7,028,746.25 = 1,319,658.68/x - Step 3: Cross multiply
4,685,451.68x = 7,028,746.25 × 1,319,658.68 - Step 4: Simplify right side
4,685,451.68x = 9,275,546,009,303.52 - Step 5: Solve for x
x = 9,275,546,009,303.52/4,685,451.68 - Step 6: Final answer
x = 1,979,648.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.