Home / 3,119,239.80-4,678,859.70-2,913,953.40

Finding the Fourth Proportional to 3,119,239.80, 4,678,859.70 and 2,913,953.40

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Solution

The fourth proportional to 3,119,239.80, 4,678,859.70 and 2,913,953.40 is: 4,370,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,239.80 : 4,678,859.70 = 2,913,953.40 : x
  2. Step 2: Convert to fraction form
    3,119,239.80/4,678,859.70 = 2,913,953.40/x
  3. Step 3: Cross multiply
    3,119,239.80x = 4,678,859.70 × 2,913,953.40
  4. Step 4: Simplify right side
    3,119,239.80x = 13,633,979,130,937.98
  5. Step 5: Solve for x
    x = 13,633,979,130,937.98/3,119,239.80
  6. Step 6: Final answer
    x = 4,370,930.10

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1.5x scale

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.