Home / 1,913,884.17-2,870,730.84-715,718.40

Finding the Fourth Proportional to 1,913,884.17, 2,870,730.84 and 715,718.40

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Solution

The fourth proportional to 1,913,884.17, 2,870,730.84 and 715,718.40 is: 1,073,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,884.17 : 2,870,730.84 = 715,718.40 : x
  2. Step 2: Convert to fraction form
    1,913,884.17/2,870,730.84 = 715,718.40/x
  3. Step 3: Cross multiply
    1,913,884.17x = 2,870,730.84 × 715,718.40
  4. Step 4: Simplify right side
    1,913,884.17x = 2,054,634,883,635.46
  5. Step 5: Solve for x
    x = 2,054,634,883,635.46/1,913,884.17
  6. Step 6: Final answer
    x = 1,073,541.92

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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.