Home / 2,830,276.80-3,905,263.08-1,669,087.32

Finding the Fourth Proportional to 2,830,276.80, 3,905,263.08 and 1,669,087.32

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Solution

The fourth proportional to 2,830,276.80, 3,905,263.08 and 1,669,087.32 is: 2,303,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,276.80 : 3,905,263.08 = 1,669,087.32 : x
  2. Step 2: Convert to fraction form
    2,830,276.80/3,905,263.08 = 1,669,087.32/x
  3. Step 3: Cross multiply
    2,830,276.80x = 3,905,263.08 × 1,669,087.32
  4. Step 4: Simplify right side
    2,830,276.80x = 6,518,225,068,565.83
  5. Step 5: Solve for x
    x = 6,518,225,068,565.83/2,830,276.80
  6. Step 6: Final answer
    x = 2,303,034.49

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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.