Home / 2,130,440.94-2,939,897.84-1,163,382.35

Finding the Fourth Proportional to 2,130,440.94, 2,939,897.84 and 1,163,382.35

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Solution

The fourth proportional to 2,130,440.94, 2,939,897.84 and 1,163,382.35 is: 1,605,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,440.94 : 2,939,897.84 = 1,163,382.35 : x
  2. Step 2: Convert to fraction form
    2,130,440.94/2,939,897.84 = 1,163,382.35/x
  3. Step 3: Cross multiply
    2,130,440.94x = 2,939,897.84 × 1,163,382.35
  4. Step 4: Simplify right side
    2,130,440.94x = 3,420,225,237,342.72
  5. Step 5: Solve for x
    x = 3,420,225,237,342.72/2,130,440.94
  6. Step 6: Final answer
    x = 1,605,407.21

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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.