Home / 3,390,574.52-4,678,994.70-1,862,780.04

Finding the Fourth Proportional to 3,390,574.52, 4,678,994.70 and 1,862,780.04

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Solution

The fourth proportional to 3,390,574.52, 4,678,994.70 and 1,862,780.04 is: 2,570,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,574.52 : 4,678,994.70 = 1,862,780.04 : x
  2. Step 2: Convert to fraction form
    3,390,574.52/4,678,994.70 = 1,862,780.04/x
  3. Step 3: Cross multiply
    3,390,574.52x = 4,678,994.70 × 1,862,780.04
  4. Step 4: Simplify right side
    3,390,574.52x = 8,715,937,934,425.79
  5. Step 5: Solve for x
    x = 8,715,937,934,425.79/3,390,574.52
  6. Step 6: Final answer
    x = 2,570,637.48

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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.