Home / 4,774,779.70-7,159,707.15-1,408,549.30

Finding the Fourth Proportional to 4,774,779.70, 7,159,707.15 and 1,408,549.30

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Solution

The fourth proportional to 4,774,779.70, 7,159,707.15 and 1,408,549.30 is: 2,112,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774,779.70 : 7,159,707.15 = 1,408,549.30 : x
  2. Step 2: Convert to fraction form
    4,774,779.70/7,159,707.15 = 1,408,549.30/x
  3. Step 3: Cross multiply
    4,774,779.70x = 7,159,707.15 × 1,408,549.30
  4. Step 4: Simplify right side
    4,774,779.70x = 10,084,800,494,337.50
  5. Step 5: Solve for x
    x = 10,084,800,494,337.50/4,774,779.70
  6. Step 6: Final answer
    x = 2,112,097.55

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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.