Home / 3,156,681.84-4,356,487.80-1,932,981.36

Finding the Fourth Proportional to 3,156,681.84, 4,356,487.80 and 1,932,981.36

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Solution

The fourth proportional to 3,156,681.84, 4,356,487.80 and 1,932,981.36 is: 2,667,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,681.84 : 4,356,487.80 = 1,932,981.36 : x
  2. Step 2: Convert to fraction form
    3,156,681.84/4,356,487.80 = 1,932,981.36/x
  3. Step 3: Cross multiply
    3,156,681.84x = 4,356,487.80 × 1,932,981.36
  4. Step 4: Simplify right side
    3,156,681.84x = 8,421,009,712,467.41
  5. Step 5: Solve for x
    x = 8,421,009,712,467.41/3,156,681.84
  6. Step 6: Final answer
    x = 2,667,677.69

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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.