Home / 6,421,804.51-9,631,232.69-3,828,842.98

Finding the Fourth Proportional to 6,421,804.51, 9,631,232.69 and 3,828,842.98

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Solution

The fourth proportional to 6,421,804.51, 9,631,232.69 and 3,828,842.98 is: 5,742,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,804.51 : 9,631,232.69 = 3,828,842.98 : x
  2. Step 2: Convert to fraction form
    6,421,804.51/9,631,232.69 = 3,828,842.98/x
  3. Step 3: Cross multiply
    6,421,804.51x = 9,631,232.69 × 3,828,842.98
  4. Step 4: Simplify right side
    6,421,804.51x = 36,876,477,630,630.72
  5. Step 5: Solve for x
    x = 36,876,477,630,630.72/6,421,804.51
  6. Step 6: Final answer
    x = 5,742,385.58

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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.