Finding the Fourth Proportional to 3,221,038.41, 4,828,014.68 and 1,326,746.49
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Solution
The fourth proportional to 3,221,038.41, 4,828,014.68 and 1,326,746.49 is: 1,988,660.40
Step by Step Solution
- Step 1: Write the proportion equation
3,221,038.41 : 4,828,014.68 = 1,326,746.49 : x - Step 2: Convert to fraction form
3,221,038.41/4,828,014.68 = 1,326,746.49/x - Step 3: Cross multiply
3,221,038.41x = 4,828,014.68 × 1,326,746.49 - Step 4: Simplify right side
3,221,038.41x = 6,405,551,523,724.74 - Step 5: Solve for x
x = 6,405,551,523,724.74/3,221,038.41 - Step 6: Final answer
x = 1,988,660.40
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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.