Home / 5,681,208.40-8,521,812.60-1,637,688.40

Finding the Fourth Proportional to 5,681,208.40, 8,521,812.60 and 1,637,688.40

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Solution

The fourth proportional to 5,681,208.40, 8,521,812.60 and 1,637,688.40 is: 2,456,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,208.40 : 8,521,812.60 = 1,637,688.40 : x
  2. Step 2: Convert to fraction form
    5,681,208.40/8,521,812.60 = 1,637,688.40/x
  3. Step 3: Cross multiply
    5,681,208.40x = 8,521,812.60 × 1,637,688.40
  4. Step 4: Simplify right side
    5,681,208.40x = 13,956,073,641,993.84
  5. Step 5: Solve for x
    x = 13,956,073,641,993.84/5,681,208.40
  6. Step 6: Final answer
    x = 2,456,532.60

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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.