Home / 4,712,881.37-7,069,875.69-1,680,678.36

Finding the Fourth Proportional to 4,712,881.37, 7,069,875.69 and 1,680,678.36

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Solution

The fourth proportional to 4,712,881.37, 7,069,875.69 and 1,680,678.36 is: 2,521,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,881.37 : 7,069,875.69 = 1,680,678.36 : x
  2. Step 2: Convert to fraction form
    4,712,881.37/7,069,875.69 = 1,680,678.36/x
  3. Step 3: Cross multiply
    4,712,881.37x = 7,069,875.69 × 1,680,678.36
  4. Step 4: Simplify right side
    4,712,881.37x = 11,882,187,080,073.07
  5. Step 5: Solve for x
    x = 11,882,187,080,073.07/4,712,881.37
  6. Step 6: Final answer
    x = 2,521,214.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.