Home / 6,712,925.80-10,069,388.70-1,920,771.40

Finding the Fourth Proportional to 6,712,925.80, 10,069,388.70 and 1,920,771.40

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Solution

The fourth proportional to 6,712,925.80, 10,069,388.70 and 1,920,771.40 is: 2,881,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712,925.80 : 10,069,388.70 = 1,920,771.40 : x
  2. Step 2: Convert to fraction form
    6,712,925.80/10,069,388.70 = 1,920,771.40/x
  3. Step 3: Cross multiply
    6,712,925.80x = 10,069,388.70 × 1,920,771.40
  4. Step 4: Simplify right side
    6,712,925.80x = 19,340,993,830,443.18
  5. Step 5: Solve for x
    x = 19,340,993,830,443.18/6,712,925.80
  6. Step 6: Final answer
    x = 2,881,157.10

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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.