Home / 4,287,030.76-6,429,191.79-1,407,923.17

Finding the Fourth Proportional to 4,287,030.76, 6,429,191.79 and 1,407,923.17

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Solution

The fourth proportional to 4,287,030.76, 6,429,191.79 and 1,407,923.17 is: 2,111,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,030.76 : 6,429,191.79 = 1,407,923.17 : x
  2. Step 2: Convert to fraction form
    4,287,030.76/6,429,191.79 = 1,407,923.17/x
  3. Step 3: Cross multiply
    4,287,030.76x = 6,429,191.79 × 1,407,923.17
  4. Step 4: Simplify right side
    4,287,030.76x = 9,051,808,066,801.94
  5. Step 5: Solve for x
    x = 9,051,808,066,801.94/4,287,030.76
  6. Step 6: Final answer
    x = 2,111,439.96

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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.