Home / 1,927,886.16-2,658,117.96-1,564,280.40

Finding the Fourth Proportional to 1,927,886.16, 2,658,117.96 and 1,564,280.40

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Solution

The fourth proportional to 1,927,886.16, 2,658,117.96 and 1,564,280.40 is: 2,156,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,886.16 : 2,658,117.96 = 1,564,280.40 : x
  2. Step 2: Convert to fraction form
    1,927,886.16/2,658,117.96 = 1,564,280.40/x
  3. Step 3: Cross multiply
    1,927,886.16x = 2,658,117.96 × 1,564,280.40
  4. Step 4: Simplify right side
    1,927,886.16x = 4,158,041,825,715.98
  5. Step 5: Solve for x
    x = 4,158,041,825,715.98/1,927,886.16
  6. Step 6: Final answer
    x = 2,156,788.05

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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.