Home / 4,886,688.40-7,330,032.60-3,186,077.20

Finding the Fourth Proportional to 4,886,688.40, 7,330,032.60 and 3,186,077.20

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Solution

The fourth proportional to 4,886,688.40, 7,330,032.60 and 3,186,077.20 is: 4,779,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,688.40 : 7,330,032.60 = 3,186,077.20 : x
  2. Step 2: Convert to fraction form
    4,886,688.40/7,330,032.60 = 3,186,077.20/x
  3. Step 3: Cross multiply
    4,886,688.40x = 7,330,032.60 × 3,186,077.20
  4. Step 4: Simplify right side
    4,886,688.40x = 23,354,049,742,116.72
  5. Step 5: Solve for x
    x = 23,354,049,742,116.72/4,886,688.40
  6. Step 6: Final answer
    x = 4,779,115.80

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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.