Home / 1,983,685.08-2,737,784.67-1,209,764.91

Finding the Fourth Proportional to 1,983,685.08, 2,737,784.67 and 1,209,764.91

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Solution

The fourth proportional to 1,983,685.08, 2,737,784.67 and 1,209,764.91 is: 1,669,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,685.08 : 2,737,784.67 = 1,209,764.91 : x
  2. Step 2: Convert to fraction form
    1,983,685.08/2,737,784.67 = 1,209,764.91/x
  3. Step 3: Cross multiply
    1,983,685.08x = 2,737,784.67 × 1,209,764.91
  4. Step 4: Simplify right side
    1,983,685.08x = 3,312,075,824,901.93
  5. Step 5: Solve for x
    x = 3,312,075,824,901.93/1,983,685.08
  6. Step 6: Final answer
    x = 1,669,658.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.