Home / 4,287,031.04-6,429,192.21-1,407,923.45

Finding the Fourth Proportional to 4,287,031.04, 6,429,192.21 and 1,407,923.45

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Solution

The fourth proportional to 4,287,031.04, 6,429,192.21 and 1,407,923.45 is: 2,111,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,031.04 : 6,429,192.21 = 1,407,923.45 : x
  2. Step 2: Convert to fraction form
    4,287,031.04/6,429,192.21 = 1,407,923.45/x
  3. Step 3: Cross multiply
    4,287,031.04x = 6,429,192.21 × 1,407,923.45
  4. Step 4: Simplify right side
    4,287,031.04x = 9,051,810,468,979.83
  5. Step 5: Solve for x
    x = 9,051,810,468,979.83/4,287,031.04
  6. Step 6: Final answer
    x = 2,111,440.39

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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.