Home / 3,480,678.80-4,808,230.44-2,686,075.28

Finding the Fourth Proportional to 3,480,678.80, 4,808,230.44 and 2,686,075.28

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Solution

The fourth proportional to 3,480,678.80, 4,808,230.44 and 2,686,075.28 is: 3,710,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,678.80 : 4,808,230.44 = 2,686,075.28 : x
  2. Step 2: Convert to fraction form
    3,480,678.80/4,808,230.44 = 2,686,075.28/x
  3. Step 3: Cross multiply
    3,480,678.80x = 4,808,230.44 × 2,686,075.28
  4. Step 4: Simplify right side
    3,480,678.80x = 12,915,268,925,427.52
  5. Step 5: Solve for x
    x = 12,915,268,925,427.52/3,480,678.80
  6. Step 6: Final answer
    x = 3,710,560.40

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1.5x scale

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.