Home / 2,681,123.20-4,020,907.20-975,068.80

Finding the Fourth Proportional to 2,681,123.20, 4,020,907.20 and 975,068.80

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Solution

The fourth proportional to 2,681,123.20, 4,020,907.20 and 975,068.80 is: 1,462,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,123.20 : 4,020,907.20 = 975,068.80 : x
  2. Step 2: Convert to fraction form
    2,681,123.20/4,020,907.20 = 975,068.80/x
  3. Step 3: Cross multiply
    2,681,123.20x = 4,020,907.20 × 975,068.80
  4. Step 4: Simplify right side
    2,681,123.20x = 3,920,661,158,415.36
  5. Step 5: Solve for x
    x = 3,920,661,158,415.36/2,681,123.20
  6. Step 6: Final answer
    x = 1,462,320.40

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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.